Home / 6,867,666.72-9,478,553.76-3,966,536.16

Finding the Fourth Proportional to 6,867,666.72, 9,478,553.76 and 3,966,536.16

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Solution

The fourth proportional to 6,867,666.72, 9,478,553.76 and 3,966,536.16 is: 5,474,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867,666.72 : 9,478,553.76 = 3,966,536.16 : x
  2. Step 2: Convert to fraction form
    6,867,666.72/9,478,553.76 = 3,966,536.16/x
  3. Step 3: Cross multiply
    6,867,666.72x = 9,478,553.76 × 3,966,536.16
  4. Step 4: Simplify right side
    6,867,666.72x = 37,597,026,233,543.96
  5. Step 5: Solve for x
    x = 37,597,026,233,543.96/6,867,666.72
  6. Step 6: Final answer
    x = 5,474,497.78

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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.