Home / 31,580,793.45-47,371,190.18-8,861,690.70

Finding the Fourth Proportional to 31,580,793.45, 47,371,190.18 and 8,861,690.70

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Solution

The fourth proportional to 31,580,793.45, 47,371,190.18 and 8,861,690.70 is: 13,292,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580,793.45 : 47,371,190.18 = 8,861,690.70 : x
  2. Step 2: Convert to fraction form
    31,580,793.45/47,371,190.18 = 8,861,690.70/x
  3. Step 3: Cross multiply
    31,580,793.45x = 47,371,190.18 × 8,861,690.70
  4. Step 4: Simplify right side
    31,580,793.45x = 419,788,835,421,728.81
  5. Step 5: Solve for x
    x = 419,788,835,421,728.81/31,580,793.45
  6. Step 6: Final answer
    x = 13,292,536.05

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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.