Home / 20,856,263.47-31,244,042.25-11,730,634.18

Finding the Fourth Proportional to 20,856,263.47, 31,244,042.25 and 11,730,634.18

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Solution

The fourth proportional to 20,856,263.47, 31,244,042.25 and 11,730,634.18 is: 17,573,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,263.47 : 31,244,042.25 = 11,730,634.18 : x
  2. Step 2: Convert to fraction form
    20,856,263.47/31,244,042.25 = 11,730,634.18/x
  3. Step 3: Cross multiply
    20,856,263.47x = 31,244,042.25 × 11,730,634.18
  4. Step 4: Simplify right side
    20,856,263.47x = 366,512,429,861,104
  5. Step 5: Solve for x
    x = 366,512,429,861,104/20,856,263.47
  6. Step 6: Final answer
    x = 17,573,254.69

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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.