Home / 8,166,694.80-12,236,045.40-5,325,344.40

Finding the Fourth Proportional to 8,166,694.80, 12,236,045.40 and 5,325,344.40

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Solution

The fourth proportional to 8,166,694.80, 12,236,045.40 and 5,325,344.40 is: 7,978,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166,694.80 : 12,236,045.40 = 5,325,344.40 : x
  2. Step 2: Convert to fraction form
    8,166,694.80/12,236,045.40 = 5,325,344.40/x
  3. Step 3: Cross multiply
    8,166,694.80x = 12,236,045.40 × 5,325,344.40
  4. Step 4: Simplify right side
    8,166,694.80x = 65,161,155,849,035.77
  5. Step 5: Solve for x
    x = 65,161,155,849,035.77/8,166,694.80
  6. Step 6: Final answer
    x = 7,978,889.56

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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.