Home / 21,474,363.52-29,623,328.64-12,766,342.72

Finding the Fourth Proportional to 21,474,363.52, 29,623,328.64 and 12,766,342.72

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Solution

The fourth proportional to 21,474,363.52, 29,623,328.64 and 12,766,342.72 is: 17,610,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474,363.52 : 29,623,328.64 = 12,766,342.72 : x
  2. Step 2: Convert to fraction form
    21,474,363.52/29,623,328.64 = 12,766,342.72/x
  3. Step 3: Cross multiply
    21,474,363.52x = 29,623,328.64 × 12,766,342.72
  4. Step 4: Simplify right side
    21,474,363.52x = 378,181,565,925,431.50
  5. Step 5: Solve for x
    x = 378,181,565,925,431.50/21,474,363.52
  6. Step 6: Final answer
    x = 17,610,839.34

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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.