Home / 19,407,207.20-29,134,772.40-12,218,727.20

Finding the Fourth Proportional to 19,407,207.20, 29,134,772.40 and 12,218,727.20

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Solution

The fourth proportional to 19,407,207.20, 29,134,772.40 and 12,218,727.20 is: 18,343,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,207.20 : 29,134,772.40 = 12,218,727.20 : x
  2. Step 2: Convert to fraction form
    19,407,207.20/29,134,772.40 = 12,218,727.20/x
  3. Step 3: Cross multiply
    19,407,207.20x = 29,134,772.40 × 12,218,727.20
  4. Step 4: Simplify right side
    19,407,207.20x = 355,989,835,989,689.25
  5. Step 5: Solve for x
    x = 355,989,835,989,689.25/19,407,207.20
  6. Step 6: Final answer
    x = 18,343,176.96

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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.