Home / 22,480,000.92-31,020,669.65-12,691,412.65

Finding the Fourth Proportional to 22,480,000.92, 31,020,669.65 and 12,691,412.65

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Solution

The fourth proportional to 22,480,000.92, 31,020,669.65 and 12,691,412.65 is: 17,513,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480,000.92 : 31,020,669.65 = 12,691,412.65 : x
  2. Step 2: Convert to fraction form
    22,480,000.92/31,020,669.65 = 12,691,412.65/x
  3. Step 3: Cross multiply
    22,480,000.92x = 31,020,669.65 × 12,691,412.65
  4. Step 4: Simplify right side
    22,480,000.92x = 393,696,119,161,657.94
  5. Step 5: Solve for x
    x = 393,696,119,161,657.94/22,480,000.92
  6. Step 6: Final answer
    x = 17,513,171.84

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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.