Home / 9,521,894.30-13,144,234.89-6,428,606.04

Finding the Fourth Proportional to 9,521,894.30, 13,144,234.89 and 6,428,606.04

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Solution

The fourth proportional to 9,521,894.30, 13,144,234.89 and 6,428,606.04 is: 8,874,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,894.30 : 13,144,234.89 = 6,428,606.04 : x
  2. Step 2: Convert to fraction form
    9,521,894.30/13,144,234.89 = 6,428,606.04/x
  3. Step 3: Cross multiply
    9,521,894.30x = 13,144,234.89 × 6,428,606.04
  4. Step 4: Simplify right side
    9,521,894.30x = 84,499,107,805,032.73
  5. Step 5: Solve for x
    x = 84,499,107,805,032.73/9,521,894.30
  6. Step 6: Final answer
    x = 8,874,190.91

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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.