Home / 9,967,134-13,754,688.66-5,781,643.68

Finding the Fourth Proportional to 9,967,134, 13,754,688.66 and 5,781,643.68

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Solution

The fourth proportional to 9,967,134, 13,754,688.66 and 5,781,643.68 is: 7,978,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967,134 : 13,754,688.66 = 5,781,643.68 : x
  2. Step 2: Convert to fraction form
    9,967,134/13,754,688.66 = 5,781,643.68/x
  3. Step 3: Cross multiply
    9,967,134x = 13,754,688.66 × 5,781,643.68
  4. Step 4: Simplify right side
    9,967,134x = 79,524,708,761,456.67
  5. Step 5: Solve for x
    x = 79,524,708,761,456.67/9,967,134
  6. Step 6: Final answer
    x = 7,978,693.65

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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.