Home / 12,507,446.80-18,761,170.20-4,420,358.20

Finding the Fourth Proportional to 12,507,446.80, 18,761,170.20 and 4,420,358.20

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Solution

The fourth proportional to 12,507,446.80, 18,761,170.20 and 4,420,358.20 is: 6,630,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,446.80 : 18,761,170.20 = 4,420,358.20 : x
  2. Step 2: Convert to fraction form
    12,507,446.80/18,761,170.20 = 4,420,358.20/x
  3. Step 3: Cross multiply
    12,507,446.80x = 18,761,170.20 × 4,420,358.20
  4. Step 4: Simplify right side
    12,507,446.80x = 82,931,092,535,165.64
  5. Step 5: Solve for x
    x = 82,931,092,535,165.64/12,507,446.80
  6. Step 6: Final answer
    x = 6,630,537.30

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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.