Home / 8,344,428.41-12,520,914.29-3,972,515.51

Finding the Fourth Proportional to 8,344,428.41, 12,520,914.29 and 3,972,515.51

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Solution

The fourth proportional to 8,344,428.41, 12,520,914.29 and 3,972,515.51 is: 5,960,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344,428.41 : 12,520,914.29 = 3,972,515.51 : x
  2. Step 2: Convert to fraction form
    8,344,428.41/12,520,914.29 = 3,972,515.51/x
  3. Step 3: Cross multiply
    8,344,428.41x = 12,520,914.29 × 3,972,515.51
  4. Step 4: Simplify right side
    8,344,428.41x = 49,739,526,216,405.63
  5. Step 5: Solve for x
    x = 49,739,526,216,405.63/8,344,428.41
  6. Step 6: Final answer
    x = 5,960,806.87

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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.