Home / 8,380,408.11-12,573,803.78-2,916,109.98

Finding the Fourth Proportional to 8,380,408.11, 12,573,803.78 and 2,916,109.98

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Solution

The fourth proportional to 8,380,408.11, 12,573,803.78 and 2,916,109.98 is: 4,375,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,408.11 : 12,573,803.78 = 2,916,109.98 : x
  2. Step 2: Convert to fraction form
    8,380,408.11/12,573,803.78 = 2,916,109.98/x
  3. Step 3: Cross multiply
    8,380,408.11x = 12,573,803.78 × 2,916,109.98
  4. Step 4: Simplify right side
    8,380,408.11x = 36,666,594,674,839.17
  5. Step 5: Solve for x
    x = 36,666,594,674,839.17/8,380,408.11
  6. Step 6: Final answer
    x = 4,375,275.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.