Home / 7,142,805.10-9,857,176.46-4,045,251.53

Finding the Fourth Proportional to 7,142,805.10, 9,857,176.46 and 4,045,251.53

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Solution

The fourth proportional to 7,142,805.10, 9,857,176.46 and 4,045,251.53 is: 5,582,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,805.10 : 9,857,176.46 = 4,045,251.53 : x
  2. Step 2: Convert to fraction form
    7,142,805.10/9,857,176.46 = 4,045,251.53/x
  3. Step 3: Cross multiply
    7,142,805.10x = 9,857,176.46 × 4,045,251.53
  4. Step 4: Simplify right side
    7,142,805.10x = 39,874,758,131,811.61
  5. Step 5: Solve for x
    x = 39,874,758,131,811.61/7,142,805.10
  6. Step 6: Final answer
    x = 5,582,506.81

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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.