Home / 21,902,246.64-30,215,966.85-12,607,592.61

Finding the Fourth Proportional to 21,902,246.64, 30,215,966.85 and 12,607,592.61

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Solution

The fourth proportional to 21,902,246.64, 30,215,966.85 and 12,607,592.61 is: 17,393,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,246.64 : 30,215,966.85 = 12,607,592.61 : x
  2. Step 2: Convert to fraction form
    21,902,246.64/30,215,966.85 = 12,607,592.61/x
  3. Step 3: Cross multiply
    21,902,246.64x = 30,215,966.85 × 12,607,592.61
  4. Step 4: Simplify right side
    21,902,246.64x = 380,950,600,362,065
  5. Step 5: Solve for x
    x = 380,950,600,362,065/21,902,246.64
  6. Step 6: Final answer
    x = 17,393,220.28

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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.