Home / 43,218,022.42-64,827,027.96-17,659,005.40

Finding the Fourth Proportional to 43,218,022.42, 64,827,027.96 and 17,659,005.40

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Solution

The fourth proportional to 43,218,022.42, 64,827,027.96 and 17,659,005.40 is: 26,488,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218,022.42 : 64,827,027.96 = 17,659,005.40 : x
  2. Step 2: Convert to fraction form
    43,218,022.42/64,827,027.96 = 17,659,005.40/x
  3. Step 3: Cross multiply
    43,218,022.42x = 64,827,027.96 × 17,659,005.40
  4. Step 4: Simplify right side
    43,218,022.42x = 1,144,780,836,811,591
  5. Step 5: Solve for x
    x = 1,144,780,836,811,591/43,218,022.42
  6. Step 6: Final answer
    x = 26,488,505.78

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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.