Home / 7,428,141.30-10,250,939.87-4,487,549.62

Finding the Fourth Proportional to 7,428,141.30, 10,250,939.87 and 4,487,549.62

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Solution

The fourth proportional to 7,428,141.30, 10,250,939.87 and 4,487,549.62 is: 6,192,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,141.30 : 10,250,939.87 = 4,487,549.62 : x
  2. Step 2: Convert to fraction form
    7,428,141.30/10,250,939.87 = 4,487,549.62/x
  3. Step 3: Cross multiply
    7,428,141.30x = 10,250,939.87 × 4,487,549.62
  4. Step 4: Simplify right side
    7,428,141.30x = 46,001,601,318,261.34
  5. Step 5: Solve for x
    x = 46,001,601,318,261.34/7,428,141.30
  6. Step 6: Final answer
    x = 6,192,881.83

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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.