Home / 26,024,124.20-38,988,947.10-21,205,725.80

Finding the Fourth Proportional to 26,024,124.20, 38,988,947.10 and 21,205,725.80

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Solution

The fourth proportional to 26,024,124.20, 38,988,947.10 and 21,205,725.80 is: 31,770,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,024,124.20 : 38,988,947.10 = 21,205,725.80 : x
  2. Step 2: Convert to fraction form
    26,024,124.20/38,988,947.10 = 21,205,725.80/x
  3. Step 3: Cross multiply
    26,024,124.20x = 38,988,947.10 × 21,205,725.80
  4. Step 4: Simplify right side
    26,024,124.20x = 826,788,921,433,305.25
  5. Step 5: Solve for x
    x = 826,788,921,433,305.25/26,024,124.20
  6. Step 6: Final answer
    x = 31,770,095.90

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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.