Home / 28,479,737.25-39,302,226.11-15,426,996.17

Finding the Fourth Proportional to 28,479,737.25, 39,302,226.11 and 15,426,996.17

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Solution

The fourth proportional to 28,479,737.25, 39,302,226.11 and 15,426,996.17 is: 21,289,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,737.25 : 39,302,226.11 = 15,426,996.17 : x
  2. Step 2: Convert to fraction form
    28,479,737.25/39,302,226.11 = 15,426,996.17/x
  3. Step 3: Cross multiply
    28,479,737.25x = 39,302,226.11 × 15,426,996.17
  4. Step 4: Simplify right side
    28,479,737.25x = 606,315,291,513,500.25
  5. Step 5: Solve for x
    x = 606,315,291,513,500.25/28,479,737.25
  6. Step 6: Final answer
    x = 21,289,356.92

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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.