Home / 12,700,023.60-17,528,488.86-8,282,080.38

Finding the Fourth Proportional to 12,700,023.60, 17,528,488.86 and 8,282,080.38

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Solution

The fourth proportional to 12,700,023.60, 17,528,488.86 and 8,282,080.38 is: 11,430,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700,023.60 : 17,528,488.86 = 8,282,080.38 : x
  2. Step 2: Convert to fraction form
    12,700,023.60/17,528,488.86 = 8,282,080.38/x
  3. Step 3: Cross multiply
    12,700,023.60x = 17,528,488.86 × 8,282,080.38
  4. Step 4: Simplify right side
    12,700,023.60x = 145,172,353,678,454.56
  5. Step 5: Solve for x
    x = 145,172,353,678,454.56/12,700,023.60
  6. Step 6: Final answer
    x = 11,430,872.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.