Home / 12,750,147.90-19,125,221.85-8,215,184.70

Finding the Fourth Proportional to 12,750,147.90, 19,125,221.85 and 8,215,184.70

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Solution

The fourth proportional to 12,750,147.90, 19,125,221.85 and 8,215,184.70 is: 12,322,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750,147.90 : 19,125,221.85 = 8,215,184.70 : x
  2. Step 2: Convert to fraction form
    12,750,147.90/19,125,221.85 = 8,215,184.70/x
  3. Step 3: Cross multiply
    12,750,147.90x = 19,125,221.85 × 8,215,184.70
  4. Step 4: Simplify right side
    12,750,147.90x = 157,117,229,926,225.72
  5. Step 5: Solve for x
    x = 157,117,229,926,225.72/12,750,147.90
  6. Step 6: Final answer
    x = 12,322,777.05

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1.5x scale

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.