Home / 51,628,756.59-71,244,979.65-28,419,350.31

Finding the Fourth Proportional to 51,628,756.59, 71,244,979.65 and 28,419,350.31

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Solution

The fourth proportional to 51,628,756.59, 71,244,979.65 and 28,419,350.31 is: 39,217,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628,756.59 : 71,244,979.65 = 28,419,350.31 : x
  2. Step 2: Convert to fraction form
    51,628,756.59/71,244,979.65 = 28,419,350.31/x
  3. Step 3: Cross multiply
    51,628,756.59x = 71,244,979.65 × 28,419,350.31
  4. Step 4: Simplify right side
    51,628,756.59x = 2,024,736,034,502,171.25
  5. Step 5: Solve for x
    x = 2,024,736,034,502,171.25/51,628,756.59
  6. Step 6: Final answer
    x = 39,217,214.75

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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.