Home / 21,713,027.40-29,961,856.92-12,545,473.32

Finding the Fourth Proportional to 21,713,027.40, 29,961,856.92 and 12,545,473.32

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Solution

The fourth proportional to 21,713,027.40, 29,961,856.92 and 12,545,473.32 is: 17,311,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713,027.40 : 29,961,856.92 = 12,545,473.32 : x
  2. Step 2: Convert to fraction form
    21,713,027.40/29,961,856.92 = 12,545,473.32/x
  3. Step 3: Cross multiply
    21,713,027.40x = 29,961,856.92 × 12,545,473.32
  4. Step 4: Simplify right side
    21,713,027.40x = 375,885,676,607,517.38
  5. Step 5: Solve for x
    x = 375,885,676,607,517.38/21,713,027.40
  6. Step 6: Final answer
    x = 17,311,527.76

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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.