Home / 12,117,727.89-18,176,542.02-4,929,201.05

Finding the Fourth Proportional to 12,117,727.89, 18,176,542.02 and 4,929,201.05

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Solution

The fourth proportional to 12,117,727.89, 18,176,542.02 and 4,929,201.05 is: 7,393,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,727.89 : 18,176,542.02 = 4,929,201.05 : x
  2. Step 2: Convert to fraction form
    12,117,727.89/18,176,542.02 = 4,929,201.05/x
  3. Step 3: Cross multiply
    12,117,727.89x = 18,176,542.02 × 4,929,201.05
  4. Step 4: Simplify right side
    12,117,727.89x = 89,595,829,919,470.41
  5. Step 5: Solve for x
    x = 89,595,829,919,470.41/12,117,727.89
  6. Step 6: Final answer
    x = 7,393,781.30

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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.