Home / 8,381,011-11,565,250.86-4,942,463.80

Finding the Fourth Proportional to 8,381,011, 11,565,250.86 and 4,942,463.80

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Solution

The fourth proportional to 8,381,011, 11,565,250.86 and 4,942,463.80 is: 6,820,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,011 : 11,565,250.86 = 4,942,463.80 : x
  2. Step 2: Convert to fraction form
    8,381,011/11,565,250.86 = 4,942,463.80/x
  3. Step 3: Cross multiply
    8,381,011x = 11,565,250.86 × 4,942,463.80
  4. Step 4: Simplify right side
    8,381,011x = 57,160,833,713,468.86
  5. Step 5: Solve for x
    x = 57,160,833,713,468.86/8,381,011
  6. Step 6: Final answer
    x = 6,820,279.05

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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.