Home / 38,615,748.10-57,923,622.15-20,412,909.70

Finding the Fourth Proportional to 38,615,748.10, 57,923,622.15 and 20,412,909.70

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Solution

The fourth proportional to 38,615,748.10, 57,923,622.15 and 20,412,909.70 is: 30,619,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615,748.10 : 57,923,622.15 = 20,412,909.70 : x
  2. Step 2: Convert to fraction form
    38,615,748.10/57,923,622.15 = 20,412,909.70/x
  3. Step 3: Cross multiply
    38,615,748.10x = 57,923,622.15 × 20,412,909.70
  4. Step 4: Simplify right side
    38,615,748.10x = 1,182,389,668,444,869.75
  5. Step 5: Solve for x
    x = 1,182,389,668,444,869.75/38,615,748.10
  6. Step 6: Final answer
    x = 30,619,364.55

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1.5x scale

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.