Home / 37,628,171.40-56,442,257.10-12,071,764.20

Finding the Fourth Proportional to 37,628,171.40, 56,442,257.10 and 12,071,764.20

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Solution

The fourth proportional to 37,628,171.40, 56,442,257.10 and 12,071,764.20 is: 18,107,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628,171.40 : 56,442,257.10 = 12,071,764.20 : x
  2. Step 2: Convert to fraction form
    37,628,171.40/56,442,257.10 = 12,071,764.20/x
  3. Step 3: Cross multiply
    37,628,171.40x = 56,442,257.10 × 12,071,764.20
  4. Step 4: Simplify right side
    37,628,171.40x = 681,357,618,626,975.75
  5. Step 5: Solve for x
    x = 681,357,618,626,975.75/37,628,171.40
  6. Step 6: Final answer
    x = 18,107,646.30

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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.