Home / 15,726,115.54-21,702,737.74-8,851,042.90

Finding the Fourth Proportional to 15,726,115.54, 21,702,737.74 and 8,851,042.90

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Solution

The fourth proportional to 15,726,115.54, 21,702,737.74 and 8,851,042.90 is: 12,214,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,115.54 : 21,702,737.74 = 8,851,042.90 : x
  2. Step 2: Convert to fraction form
    15,726,115.54/21,702,737.74 = 8,851,042.90/x
  3. Step 3: Cross multiply
    15,726,115.54x = 21,702,737.74 × 8,851,042.90
  4. Step 4: Simplify right side
    15,726,115.54x = 192,091,862,784,189.03
  5. Step 5: Solve for x
    x = 192,091,862,784,189.03/15,726,115.54
  6. Step 6: Final answer
    x = 12,214,832.22

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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.