Home / 10,422,041.60-15,633,062.40-8,742,425.60

Finding the Fourth Proportional to 10,422,041.60, 15,633,062.40 and 8,742,425.60

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Solution

The fourth proportional to 10,422,041.60, 15,633,062.40 and 8,742,425.60 is: 13,113,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422,041.60 : 15,633,062.40 = 8,742,425.60 : x
  2. Step 2: Convert to fraction form
    10,422,041.60/15,633,062.40 = 8,742,425.60/x
  3. Step 3: Cross multiply
    10,422,041.60x = 15,633,062.40 × 8,742,425.60
  4. Step 4: Simplify right side
    10,422,041.60x = 136,670,884,932,157.44
  5. Step 5: Solve for x
    x = 136,670,884,932,157.44/10,422,041.60
  6. Step 6: Final answer
    x = 13,113,638.40

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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.