Home / 31,640,712.93-47,465,481.06-9,782,876.70

Finding the Fourth Proportional to 31,640,712.93, 47,465,481.06 and 9,782,876.70

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Solution

The fourth proportional to 31,640,712.93, 47,465,481.06 and 9,782,876.70 is: 14,675,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640,712.93 : 47,465,481.06 = 9,782,876.70 : x
  2. Step 2: Convert to fraction form
    31,640,712.93/47,465,481.06 = 9,782,876.70/x
  3. Step 3: Cross multiply
    31,640,712.93x = 47,465,481.06 × 9,782,876.70
  4. Step 4: Simplify right side
    31,640,712.93x = 464,348,948,716,165.31
  5. Step 5: Solve for x
    x = 464,348,948,716,165.31/31,640,712.93
  6. Step 6: Final answer
    x = 14,675,679.08

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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.