Home / 12,029,148.60-18,043,722.90-3,510,346.20

Finding the Fourth Proportional to 12,029,148.60, 18,043,722.90 and 3,510,346.20

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Solution

The fourth proportional to 12,029,148.60, 18,043,722.90 and 3,510,346.20 is: 5,265,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,148.60 : 18,043,722.90 = 3,510,346.20 : x
  2. Step 2: Convert to fraction form
    12,029,148.60/18,043,722.90 = 3,510,346.20/x
  3. Step 3: Cross multiply
    12,029,148.60x = 18,043,722.90 × 3,510,346.20
  4. Step 4: Simplify right side
    12,029,148.60x = 63,339,714,115,867.98
  5. Step 5: Solve for x
    x = 63,339,714,115,867.98/12,029,148.60
  6. Step 6: Final answer
    x = 5,265,519.30

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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.