Home / 38,985,115.46-53,800,096.30-21,343,723.70

Finding the Fourth Proportional to 38,985,115.46, 53,800,096.30 and 21,343,723.70

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Solution

The fourth proportional to 38,985,115.46, 53,800,096.30 and 21,343,723.70 is: 29,454,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985,115.46 : 53,800,096.30 = 21,343,723.70 : x
  2. Step 2: Convert to fraction form
    38,985,115.46/53,800,096.30 = 21,343,723.70/x
  3. Step 3: Cross multiply
    38,985,115.46x = 53,800,096.30 × 21,343,723.70
  4. Step 4: Simplify right side
    38,985,115.46x = 1,148,294,390,460,592.25
  5. Step 5: Solve for x
    x = 1,148,294,390,460,592.25/38,985,115.46
  6. Step 6: Final answer
    x = 29,454,687.43

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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.