Home / 15,739,441.08-21,720,472.88-9,125,314.89

Finding the Fourth Proportional to 15,739,441.08, 21,720,472.88 and 9,125,314.89

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Solution

The fourth proportional to 15,739,441.08, 21,720,472.88 and 9,125,314.89 is: 12,592,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,441.08 : 21,720,472.88 = 9,125,314.89 : x
  2. Step 2: Convert to fraction form
    15,739,441.08/21,720,472.88 = 9,125,314.89/x
  3. Step 3: Cross multiply
    15,739,441.08x = 21,720,472.88 × 9,125,314.89
  4. Step 4: Simplify right side
    15,739,441.08x = 198,206,154,589,705.19
  5. Step 5: Solve for x
    x = 198,206,154,589,705.19/15,739,441.08
  6. Step 6: Final answer
    x = 12,592,960.17

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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.