Home / 48,387,738.30-72,581,607.45-12,485,946.30

Finding the Fourth Proportional to 48,387,738.30, 72,581,607.45 and 12,485,946.30

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Solution

The fourth proportional to 48,387,738.30, 72,581,607.45 and 12,485,946.30 is: 18,728,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,738.30 : 72,581,607.45 = 12,485,946.30 : x
  2. Step 2: Convert to fraction form
    48,387,738.30/72,581,607.45 = 12,485,946.30/x
  3. Step 3: Cross multiply
    48,387,738.30x = 72,581,607.45 × 12,485,946.30
  4. Step 4: Simplify right side
    48,387,738.30x = 906,250,052,988,380
  5. Step 5: Solve for x
    x = 906,250,052,988,380/48,387,738.30
  6. Step 6: Final answer
    x = 18,728,919.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.