Home / 41,720,006.80-62,580,010.20-21,312,672.40

Finding the Fourth Proportional to 41,720,006.80, 62,580,010.20 and 21,312,672.40

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Solution

The fourth proportional to 41,720,006.80, 62,580,010.20 and 21,312,672.40 is: 31,969,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,720,006.80 : 62,580,010.20 = 21,312,672.40 : x
  2. Step 2: Convert to fraction form
    41,720,006.80/62,580,010.20 = 21,312,672.40/x
  3. Step 3: Cross multiply
    41,720,006.80x = 62,580,010.20 × 21,312,672.40
  4. Step 4: Simplify right side
    41,720,006.80x = 1,333,747,256,181,258.50
  5. Step 5: Solve for x
    x = 1,333,747,256,181,258.50/41,720,006.80
  6. Step 6: Final answer
    x = 31,969,008.60

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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.