Home / 19,486,856.80-29,230,285.20-8,123,528.80

Finding the Fourth Proportional to 19,486,856.80, 29,230,285.20 and 8,123,528.80

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Solution

The fourth proportional to 19,486,856.80, 29,230,285.20 and 8,123,528.80 is: 12,185,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486,856.80 : 29,230,285.20 = 8,123,528.80 : x
  2. Step 2: Convert to fraction form
    19,486,856.80/29,230,285.20 = 8,123,528.80/x
  3. Step 3: Cross multiply
    19,486,856.80x = 29,230,285.20 × 8,123,528.80
  4. Step 4: Simplify right side
    19,486,856.80x = 237,453,063,654,413.75
  5. Step 5: Solve for x
    x = 237,453,063,654,413.75/19,486,856.80
  6. Step 6: Final answer
    x = 12,185,293.20

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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.