Home / 11,239,432.20-16,859,148.30-8,405,080.20

Finding the Fourth Proportional to 11,239,432.20, 16,859,148.30 and 8,405,080.20

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Solution

The fourth proportional to 11,239,432.20, 16,859,148.30 and 8,405,080.20 is: 12,607,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239,432.20 : 16,859,148.30 = 8,405,080.20 : x
  2. Step 2: Convert to fraction form
    11,239,432.20/16,859,148.30 = 8,405,080.20/x
  3. Step 3: Cross multiply
    11,239,432.20x = 16,859,148.30 × 8,405,080.20
  4. Step 4: Simplify right side
    11,239,432.20x = 141,702,493,565,193.66
  5. Step 5: Solve for x
    x = 141,702,493,565,193.66/11,239,432.20
  6. Step 6: Final answer
    x = 12,607,620.30

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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.