Home / 28,387,587.02-39,176,023.17-15,998,202.64

Finding the Fourth Proportional to 28,387,587.02, 39,176,023.17 and 15,998,202.64

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Solution

The fourth proportional to 28,387,587.02, 39,176,023.17 and 15,998,202.64 is: 22,078,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,587.02 : 39,176,023.17 = 15,998,202.64 : x
  2. Step 2: Convert to fraction form
    28,387,587.02/39,176,023.17 = 15,998,202.64/x
  3. Step 3: Cross multiply
    28,387,587.02x = 39,176,023.17 × 15,998,202.64
  4. Step 4: Simplify right side
    28,387,587.02x = 626,745,957,179,233.62
  5. Step 5: Solve for x
    x = 626,745,957,179,233.62/28,387,587.02
  6. Step 6: Final answer
    x = 22,078,169.47

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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.