Home / 14,431,263.89-21,644,189.42-7,240,867.16

Finding the Fourth Proportional to 14,431,263.89, 21,644,189.42 and 7,240,867.16

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Solution

The fourth proportional to 14,431,263.89, 21,644,189.42 and 7,240,867.16 is: 10,859,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431,263.89 : 21,644,189.42 = 7,240,867.16 : x
  2. Step 2: Convert to fraction form
    14,431,263.89/21,644,189.42 = 7,240,867.16/x
  3. Step 3: Cross multiply
    14,431,263.89x = 21,644,189.42 × 7,240,867.16
  4. Step 4: Simplify right side
    14,431,263.89x = 156,722,700,231,672.16
  5. Step 5: Solve for x
    x = 156,722,700,231,672.16/14,431,263.89
  6. Step 6: Final answer
    x = 10,859,942.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.