Home / 8,759,345.79-12,000,103.15-8,431,854.15

Finding the Fourth Proportional to 8,759,345.79, 12,000,103.15 and 8,431,854.15

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Solution

The fourth proportional to 8,759,345.79, 12,000,103.15 and 8,431,854.15 is: 11,551,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759,345.79 : 12,000,103.15 = 8,431,854.15 : x
  2. Step 2: Convert to fraction form
    8,759,345.79/12,000,103.15 = 8,431,854.15/x
  3. Step 3: Cross multiply
    8,759,345.79x = 12,000,103.15 × 8,431,854.15
  4. Step 4: Simplify right side
    8,759,345.79x = 101,183,119,524,675.95
  5. Step 5: Solve for x
    x = 101,183,119,524,675.95/8,759,345.79
  6. Step 6: Final answer
    x = 11,551,447.10

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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.