Home / 8,676,728.58-13,012,472.51-2,609,849.78

Finding the Fourth Proportional to 8,676,728.58, 13,012,472.51 and 2,609,849.78

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Solution

The fourth proportional to 8,676,728.58, 13,012,472.51 and 2,609,849.78 is: 3,913,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,728.58 : 13,012,472.51 = 2,609,849.78 : x
  2. Step 2: Convert to fraction form
    8,676,728.58/13,012,472.51 = 2,609,849.78/x
  3. Step 3: Cross multiply
    8,676,728.58x = 13,012,472.51 × 2,609,849.78
  4. Step 4: Simplify right side
    8,676,728.58x = 33,960,598,439,367.94
  5. Step 5: Solve for x
    x = 33,960,598,439,367.94/8,676,728.58
  6. Step 6: Final answer
    x = 3,913,986.49

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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.