Home / 37,428,218.40-56,142,327.60-20,422,106.40

Finding the Fourth Proportional to 37,428,218.40, 56,142,327.60 and 20,422,106.40

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Solution

The fourth proportional to 37,428,218.40, 56,142,327.60 and 20,422,106.40 is: 30,633,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428,218.40 : 56,142,327.60 = 20,422,106.40 : x
  2. Step 2: Convert to fraction form
    37,428,218.40/56,142,327.60 = 20,422,106.40/x
  3. Step 3: Cross multiply
    37,428,218.40x = 56,142,327.60 × 20,422,106.40
  4. Step 4: Simplify right side
    37,428,218.40x = 1,146,544,587,790,856.50
  5. Step 5: Solve for x
    x = 1,146,544,587,790,856.50/37,428,218.40
  6. Step 6: Final answer
    x = 30,633,159.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.