Home / 31,516,612.80-47,274,919.20-25,139,320.80

Finding the Fourth Proportional to 31,516,612.80, 47,274,919.20 and 25,139,320.80

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Solution

The fourth proportional to 31,516,612.80, 47,274,919.20 and 25,139,320.80 is: 37,708,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516,612.80 : 47,274,919.20 = 25,139,320.80 : x
  2. Step 2: Convert to fraction form
    31,516,612.80/47,274,919.20 = 25,139,320.80/x
  3. Step 3: Cross multiply
    31,516,612.80x = 47,274,919.20 × 25,139,320.80
  4. Step 4: Simplify right side
    31,516,612.80x = 1,188,459,359,562,879.50
  5. Step 5: Solve for x
    x = 1,188,459,359,562,879.50/31,516,612.80
  6. Step 6: Final answer
    x = 37,708,981.20

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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.