Home / 9,521,894.29-13,144,234.90-6,428,606.03

Finding the Fourth Proportional to 9,521,894.29, 13,144,234.90 and 6,428,606.03

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Solution

The fourth proportional to 9,521,894.29, 13,144,234.90 and 6,428,606.03 is: 8,874,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,894.29 : 13,144,234.90 = 6,428,606.03 : x
  2. Step 2: Convert to fraction form
    9,521,894.29/13,144,234.90 = 6,428,606.03/x
  3. Step 3: Cross multiply
    9,521,894.29x = 13,144,234.90 × 6,428,606.03
  4. Step 4: Simplify right side
    9,521,894.29x = 84,499,107,754,665.52
  5. Step 5: Solve for x
    x = 84,499,107,754,665.52/9,521,894.29
  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.