Home / 15,908,849.30-21,953,594.01-9,724,251.17

Finding the Fourth Proportional to 15,908,849.30, 21,953,594.01 and 9,724,251.17

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Solution

The fourth proportional to 15,908,849.30, 21,953,594.01 and 9,724,251.17 is: 13,419,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908,849.30 : 21,953,594.01 = 9,724,251.17 : x
  2. Step 2: Convert to fraction form
    15,908,849.30/21,953,594.01 = 9,724,251.17/x
  3. Step 3: Cross multiply
    15,908,849.30x = 21,953,594.01 × 9,724,251.17
  4. Step 4: Simplify right side
    15,908,849.30x = 213,482,262,237,447.50
  5. Step 5: Solve for x
    x = 213,482,262,237,447.50/15,908,849.30
  6. Step 6: Final answer
    x = 13,419,088.85

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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.