Home / 49,482,876.87-68,286,349.22-28,852,338.87

Finding the Fourth Proportional to 49,482,876.87, 68,286,349.22 and 28,852,338.87

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Solution

The fourth proportional to 49,482,876.87, 68,286,349.22 and 28,852,338.87 is: 39,816,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,482,876.87 : 68,286,349.22 = 28,852,338.87 : x
  2. Step 2: Convert to fraction form
    49,482,876.87/68,286,349.22 = 28,852,338.87/x
  3. Step 3: Cross multiply
    49,482,876.87x = 68,286,349.22 × 28,852,338.87
  4. Step 4: Simplify right side
    49,482,876.87x = 1,970,220,887,746,338.75
  5. Step 5: Solve for x
    x = 1,970,220,887,746,338.75/49,482,876.87
  6. Step 6: Final answer
    x = 39,816,215.47

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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.