Home / 28,936,363.46-39,932,225.31-15,705,545.13

Finding the Fourth Proportional to 28,936,363.46, 39,932,225.31 and 15,705,545.13

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Solution

The fourth proportional to 28,936,363.46, 39,932,225.31 and 15,705,545.13 is: 21,673,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936,363.46 : 39,932,225.31 = 15,705,545.13 : x
  2. Step 2: Convert to fraction form
    28,936,363.46/39,932,225.31 = 15,705,545.13/x
  3. Step 3: Cross multiply
    28,936,363.46x = 39,932,225.31 × 15,705,545.13
  4. Step 4: Simplify right side
    28,936,363.46x = 627,157,366,547,872.12
  5. Step 5: Solve for x
    x = 627,157,366,547,872.12/28,936,363.46
  6. Step 6: Final answer
    x = 21,673,676.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.