Home / 43,472,956.60-65,217,308.10-21,853,149.40

Finding the Fourth Proportional to 43,472,956.60, 65,217,308.10 and 21,853,149.40

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Solution

The fourth proportional to 43,472,956.60, 65,217,308.10 and 21,853,149.40 is: 32,783,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,472,956.60 : 65,217,308.10 = 21,853,149.40 : x
  2. Step 2: Convert to fraction form
    43,472,956.60/65,217,308.10 = 21,853,149.40/x
  3. Step 3: Cross multiply
    43,472,956.60x = 65,217,308.10 × 21,853,149.40
  4. Step 4: Simplify right side
    43,472,956.60x = 1,425,203,577,375,130
  5. Step 5: Solve for x
    x = 1,425,203,577,375,130/43,472,956.60
  6. Step 6: Final answer
    x = 32,783,681.83

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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.