Home / 47,780,805.24-65,935,612.02-28,207,998.58

Finding the Fourth Proportional to 47,780,805.24, 65,935,612.02 and 28,207,998.58

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Solution

The fourth proportional to 47,780,805.24, 65,935,612.02 and 28,207,998.58 is: 38,925,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,805.24 : 65,935,612.02 = 28,207,998.58 : x
  2. Step 2: Convert to fraction form
    47,780,805.24/65,935,612.02 = 28,207,998.58/x
  3. Step 3: Cross multiply
    47,780,805.24x = 65,935,612.02 × 28,207,998.58
  4. Step 4: Simplify right side
    47,780,805.24x = 1,859,911,650,231,591
  5. Step 5: Solve for x
    x = 1,859,911,650,231,591/47,780,805.24
  6. Step 6: Final answer
    x = 38,925,916.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.