Home / 38,308,545.28-52,866,916.08-20,906,014.24

Finding the Fourth Proportional to 38,308,545.28, 52,866,916.08 and 20,906,014.24

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Solution

The fourth proportional to 38,308,545.28, 52,866,916.08 and 20,906,014.24 is: 28,850,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,545.28 : 52,866,916.08 = 20,906,014.24 : x
  2. Step 2: Convert to fraction form
    38,308,545.28/52,866,916.08 = 20,906,014.24/x
  3. Step 3: Cross multiply
    38,308,545.28x = 52,866,916.08 × 20,906,014.24
  4. Step 4: Simplify right side
    38,308,545.28x = 1,105,236,500,393,364.88
  5. Step 5: Solve for x
    x = 1,105,236,500,393,364.88/38,308,545.28
  6. Step 6: Final answer
    x = 28,850,912.83

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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.