Home / 7,721,577.79-10,655,773.22-4,236,939.45

Finding the Fourth Proportional to 7,721,577.79, 10,655,773.22 and 4,236,939.45

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Solution

The fourth proportional to 7,721,577.79, 10,655,773.22 and 4,236,939.45 is: 5,846,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,577.79 : 10,655,773.22 = 4,236,939.45 : x
  2. Step 2: Convert to fraction form
    7,721,577.79/10,655,773.22 = 4,236,939.45/x
  3. Step 3: Cross multiply
    7,721,577.79x = 10,655,773.22 × 4,236,939.45
  4. Step 4: Simplify right side
    7,721,577.79x = 45,147,865,936,663.88
  5. Step 5: Solve for x
    x = 45,147,865,936,663.88/7,721,577.79
  6. Step 6: Final answer
    x = 5,846,974.18

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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.