Home / 51,943,005.62-71,681,309.71-28,421,696.81

Finding the Fourth Proportional to 51,943,005.62, 71,681,309.71 and 28,421,696.81

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Solution

The fourth proportional to 51,943,005.62, 71,681,309.71 and 28,421,696.81 is: 39,221,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943,005.62 : 71,681,309.71 = 28,421,696.81 : x
  2. Step 2: Convert to fraction form
    51,943,005.62/71,681,309.71 = 28,421,696.81/x
  3. Step 3: Cross multiply
    51,943,005.62x = 71,681,309.71 × 28,421,696.81
  4. Step 4: Simplify right side
    51,943,005.62x = 2,037,304,451,198,449.75
  5. Step 5: Solve for x
    x = 2,037,304,451,198,449.75/51,943,005.62
  6. Step 6: Final answer
    x = 39,221,920.78

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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.