Home / 10,959,470.07-16,372,002.96-7,900,731.87

Finding the Fourth Proportional to 10,959,470.07, 16,372,002.96 and 7,900,731.87

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Solution

The fourth proportional to 10,959,470.07, 16,372,002.96 and 7,900,731.87 is: 11,802,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,470.07 : 16,372,002.96 = 7,900,731.87 : x
  2. Step 2: Convert to fraction form
    10,959,470.07/16,372,002.96 = 7,900,731.87/x
  3. Step 3: Cross multiply
    10,959,470.07x = 16,372,002.96 × 7,900,731.87
  4. Step 4: Simplify right side
    10,959,470.07x = 129,350,805,561,806.34
  5. Step 5: Solve for x
    x = 129,350,805,561,806.34/10,959,470.07
  6. Step 6: Final answer
    x = 11,802,651.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.