Home / 21,306,363.66-31,964,280.35-9,940,612.14

Finding the Fourth Proportional to 21,306,363.66, 31,964,280.35 and 9,940,612.14

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Solution

The fourth proportional to 21,306,363.66, 31,964,280.35 and 9,940,612.14 is: 14,913,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,363.66 : 31,964,280.35 = 9,940,612.14 : x
  2. Step 2: Convert to fraction form
    21,306,363.66/31,964,280.35 = 9,940,612.14/x
  3. Step 3: Cross multiply
    21,306,363.66x = 31,964,280.35 × 9,940,612.14
  4. Step 4: Simplify right side
    21,306,363.66x = 317,744,513,243,870.38
  5. Step 5: Solve for x
    x = 317,744,513,243,870.38/21,306,363.66
  6. Step 6: Final answer
    x = 14,913,127.29

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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.