Home / 21,643,861.73-29,867,957.51-12,351,265.24

Finding the Fourth Proportional to 21,643,861.73, 29,867,957.51 and 12,351,265.24

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Solution

The fourth proportional to 21,643,861.73, 29,867,957.51 and 12,351,265.24 is: 17,044,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643,861.73 : 29,867,957.51 = 12,351,265.24 : x
  2. Step 2: Convert to fraction form
    21,643,861.73/29,867,957.51 = 12,351,265.24/x
  3. Step 3: Cross multiply
    21,643,861.73x = 29,867,957.51 × 12,351,265.24
  4. Step 4: Simplify right side
    21,643,861.73x = 368,907,065,383,060
  5. Step 5: Solve for x
    x = 368,907,065,383,060/21,643,861.73
  6. Step 6: Final answer
    x = 17,044,419.80

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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.