Home / 21,474,363.02-29,623,327.95-12,766,342.22

Finding the Fourth Proportional to 21,474,363.02, 29,623,327.95 and 12,766,342.22

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Solution

The fourth proportional to 21,474,363.02, 29,623,327.95 and 12,766,342.22 is: 17,610,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474,363.02 : 29,623,327.95 = 12,766,342.22 : x
  2. Step 2: Convert to fraction form
    21,474,363.02/29,623,327.95 = 12,766,342.22/x
  3. Step 3: Cross multiply
    21,474,363.02x = 29,623,327.95 × 12,766,342.22
  4. Step 4: Simplify right side
    21,474,363.02x = 378,181,542,304,991.06
  5. Step 5: Solve for x
    x = 378,181,542,304,991.06/21,474,363.02
  6. Step 6: Final answer
    x = 17,610,838.65

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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.