Home / 48,437,909.04-66,860,512.22-28,864,935.12

Finding the Fourth Proportional to 48,437,909.04, 66,860,512.22 and 28,864,935.12

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Solution

The fourth proportional to 48,437,909.04, 66,860,512.22 and 28,864,935.12 is: 39,843,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,437,909.04 : 66,860,512.22 = 28,864,935.12 : x
  2. Step 2: Convert to fraction form
    48,437,909.04/66,860,512.22 = 28,864,935.12/x
  3. Step 3: Cross multiply
    48,437,909.04x = 66,860,512.22 × 28,864,935.12
  4. Step 4: Simplify right side
    48,437,909.04x = 1,929,924,347,320,267.25
  5. Step 5: Solve for x
    x = 1,929,924,347,320,267.25/48,437,909.04
  6. Step 6: Final answer
    x = 39,843,262.96

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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.