Home / 48,422,711.70-72,634,067.55-18,128,970.90

Finding the Fourth Proportional to 48,422,711.70, 72,634,067.55 and 18,128,970.90

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Solution

The fourth proportional to 48,422,711.70, 72,634,067.55 and 18,128,970.90 is: 27,193,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422,711.70 : 72,634,067.55 = 18,128,970.90 : x
  2. Step 2: Convert to fraction form
    48,422,711.70/72,634,067.55 = 18,128,970.90/x
  3. Step 3: Cross multiply
    48,422,711.70x = 72,634,067.55 × 18,128,970.90
  4. Step 4: Simplify right side
    48,422,711.70x = 1,316,780,896,962,584.25
  5. Step 5: Solve for x
    x = 1,316,780,896,962,584.25/48,422,711.70
  6. Step 6: Final answer
    x = 27,193,456.35

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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.