Home / 20,332,449.35-28,058,492.79-11,511,673.02

Finding the Fourth Proportional to 20,332,449.35, 28,058,492.79 and 11,511,673.02

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Solution

The fourth proportional to 20,332,449.35, 28,058,492.79 and 11,511,673.02 is: 15,885,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,449.35 : 28,058,492.79 = 11,511,673.02 : x
  2. Step 2: Convert to fraction form
    20,332,449.35/28,058,492.79 = 11,511,673.02/x
  3. Step 3: Cross multiply
    20,332,449.35x = 28,058,492.79 × 11,511,673.02
  4. Step 4: Simplify right side
    20,332,449.35x = 323,000,194,432,507.50
  5. Step 5: Solve for x
    x = 323,000,194,432,507.50/20,332,449.35
  6. Step 6: Final answer
    x = 15,885,946.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.