Home / 12,110,032.20-18,165,048.30-8,312,000.52

Finding the Fourth Proportional to 12,110,032.20, 18,165,048.30 and 8,312,000.52

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Solution

The fourth proportional to 12,110,032.20, 18,165,048.30 and 8,312,000.52 is: 12,468,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,032.20 : 18,165,048.30 = 8,312,000.52 : x
  2. Step 2: Convert to fraction form
    12,110,032.20/18,165,048.30 = 8,312,000.52/x
  3. Step 3: Cross multiply
    12,110,032.20x = 18,165,048.30 × 8,312,000.52
  4. Step 4: Simplify right side
    12,110,032.20x = 150,987,890,915,425.12
  5. Step 5: Solve for x
    x = 150,987,890,915,425.12/12,110,032.20
  6. Step 6: Final answer
    x = 12,468,000.78

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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.