Home / 8,759,347.80-12,000,105.88-8,431,856.16

Finding the Fourth Proportional to 8,759,347.80, 12,000,105.88 and 8,431,856.16

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Solution

The fourth proportional to 8,759,347.80, 12,000,105.88 and 8,431,856.16 is: 11,551,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,347.80 : 12,000,105.88 = 8,431,856.16 : x
  2. Step 2: Convert to fraction form
    8,759,347.80/12,000,105.88 = 8,431,856.16/x
  3. Step 3: Cross multiply
    8,759,347.80x = 12,000,105.88 × 8,431,856.16
  4. Step 4: Simplify right side
    8,759,347.80x = 101,183,166,684,930.23
  5. Step 5: Solve for x
    x = 101,183,166,684,930.23/8,759,347.80
  6. Step 6: Final answer
    x = 11,551,449.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.