Home / 8,129,649.68-11,218,108.16-4,692,997.92

Finding the Fourth Proportional to 8,129,649.68, 11,218,108.16 and 4,692,997.92

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Solution

The fourth proportional to 8,129,649.68, 11,218,108.16 and 4,692,997.92 is: 6,475,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,649.68 : 11,218,108.16 = 4,692,997.92 : x
  2. Step 2: Convert to fraction form
    8,129,649.68/11,218,108.16 = 4,692,997.92/x
  3. Step 3: Cross multiply
    8,129,649.68x = 11,218,108.16 × 4,692,997.92
  4. Step 4: Simplify right side
    8,129,649.68x = 52,646,558,261,215.02
  5. Step 5: Solve for x
    x = 52,646,558,261,215.02/8,129,649.68
  6. Step 6: Final answer
    x = 6,475,870.47

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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.