Home / 9,942,010.07-13,719,758.78-5,755,871.46

Finding the Fourth Proportional to 9,942,010.07, 13,719,758.78 and 5,755,871.46

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Solution

The fourth proportional to 9,942,010.07, 13,719,758.78 and 5,755,871.46 is: 7,942,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942,010.07 : 13,719,758.78 = 5,755,871.46 : x
  2. Step 2: Convert to fraction form
    9,942,010.07/13,719,758.78 = 5,755,871.46/x
  3. Step 3: Cross multiply
    9,942,010.07x = 13,719,758.78 × 5,755,871.46
  4. Step 4: Simplify right side
    9,942,010.07x = 78,969,167,999,886.42
  5. Step 5: Solve for x
    x = 78,969,167,999,886.42/9,942,010.07
  6. Step 6: Final answer
    x = 7,942,978.07

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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.