Home / 14,012,360.20-21,018,540.30-7,965,742.60

Finding the Fourth Proportional to 14,012,360.20, 21,018,540.30 and 7,965,742.60

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Solution

The fourth proportional to 14,012,360.20, 21,018,540.30 and 7,965,742.60 is: 11,948,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,360.20 : 21,018,540.30 = 7,965,742.60 : x
  2. Step 2: Convert to fraction form
    14,012,360.20/21,018,540.30 = 7,965,742.60/x
  3. Step 3: Cross multiply
    14,012,360.20x = 21,018,540.30 × 7,965,742.60
  4. Step 4: Simplify right side
    14,012,360.20x = 167,428,281,857,526.78
  5. Step 5: Solve for x
    x = 167,428,281,857,526.78/14,012,360.20
  6. Step 6: Final answer
    x = 11,948,613.90

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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.