Home / 31,234,520.32-43,103,337.60-17,998,834.48

Finding the Fourth Proportional to 31,234,520.32, 43,103,337.60 and 17,998,834.48

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Solution

The fourth proportional to 31,234,520.32, 43,103,337.60 and 17,998,834.48 is: 24,838,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234,520.32 : 43,103,337.60 = 17,998,834.48 : x
  2. Step 2: Convert to fraction form
    31,234,520.32/43,103,337.60 = 17,998,834.48/x
  3. Step 3: Cross multiply
    31,234,520.32x = 43,103,337.60 × 17,998,834.48
  4. Step 4: Simplify right side
    31,234,520.32x = 775,809,838,997,960.50
  5. Step 5: Solve for x
    x = 775,809,838,997,960.50/31,234,520.32
  6. Step 6: Final answer
    x = 24,838,218.45

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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.