Home / 7,716,422.93-10,649,142.32-4,278,663.96

Finding the Fourth Proportional to 7,716,422.93, 10,649,142.32 and 4,278,663.96

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Solution

The fourth proportional to 7,716,422.93, 10,649,142.32 and 4,278,663.96 is: 5,904,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,422.93 : 10,649,142.32 = 4,278,663.96 : x
  2. Step 2: Convert to fraction form
    7,716,422.93/10,649,142.32 = 4,278,663.96/x
  3. Step 3: Cross multiply
    7,716,422.93x = 10,649,142.32 × 4,278,663.96
  4. Step 4: Simplify right side
    7,716,422.93x = 45,564,101,428,101.46
  5. Step 5: Solve for x
    x = 45,564,101,428,101.46/7,716,422.93
  6. Step 6: Final answer
    x = 5,904,821.69

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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.