Home / 57,528,034.04-86,280,412.98-21,123,929.72

Finding the Fourth Proportional to 57,528,034.04, 86,280,412.98 and 21,123,929.72

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Solution

The fourth proportional to 57,528,034.04, 86,280,412.98 and 21,123,929.72 is: 31,681,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528,034.04 : 86,280,412.98 = 21,123,929.72 : x
  2. Step 2: Convert to fraction form
    57,528,034.04/86,280,412.98 = 21,123,929.72/x
  3. Step 3: Cross multiply
    57,528,034.04x = 86,280,412.98 × 21,123,929.72
  4. Step 4: Simplify right side
    57,528,034.04x = 1,822,581,380,002,095.75
  5. Step 5: Solve for x
    x = 1,822,581,380,002,095.75/57,528,034.04
  6. Step 6: Final answer
    x = 31,681,621.15

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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.