Home / 8,028,514.80-12,042,772.20-7,381,551.60

Finding the Fourth Proportional to 8,028,514.80, 12,042,772.20 and 7,381,551.60

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Solution

The fourth proportional to 8,028,514.80, 12,042,772.20 and 7,381,551.60 is: 11,072,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028,514.80 : 12,042,772.20 = 7,381,551.60 : x
  2. Step 2: Convert to fraction form
    8,028,514.80/12,042,772.20 = 7,381,551.60/x
  3. Step 3: Cross multiply
    8,028,514.80x = 12,042,772.20 × 7,381,551.60
  4. Step 4: Simplify right side
    8,028,514.80x = 88,894,344,401,345.52
  5. Step 5: Solve for x
    x = 88,894,344,401,345.52/8,028,514.80
  6. Step 6: Final answer
    x = 11,072,327.40

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Similar ratio
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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.