Home / 38,266,620.20-52,807,898.64-20,862,960.80

Finding the Fourth Proportional to 38,266,620.20, 52,807,898.64 and 20,862,960.80

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Solution

The fourth proportional to 38,266,620.20, 52,807,898.64 and 20,862,960.80 is: 28,790,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266,620.20 : 52,807,898.64 = 20,862,960.80 : x
  2. Step 2: Convert to fraction form
    38,266,620.20/52,807,898.64 = 20,862,960.80/x
  3. Step 3: Cross multiply
    38,266,620.20x = 52,807,898.64 × 20,862,960.80
  4. Step 4: Simplify right side
    38,266,620.20x = 1,101,729,119,256,693.38
  5. Step 5: Solve for x
    x = 1,101,729,119,256,693.38/38,266,620.20
  6. Step 6: Final answer
    x = 28,790,865.60

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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.