Home / 20,206,911.30-30,310,366.95-9,976,672.05

Finding the Fourth Proportional to 20,206,911.30, 30,310,366.95 and 9,976,672.05

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Solution

The fourth proportional to 20,206,911.30, 30,310,366.95 and 9,976,672.05 is: 14,965,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206,911.30 : 30,310,366.95 = 9,976,672.05 : x
  2. Step 2: Convert to fraction form
    20,206,911.30/30,310,366.95 = 9,976,672.05/x
  3. Step 3: Cross multiply
    20,206,911.30x = 30,310,366.95 × 9,976,672.05
  4. Step 4: Simplify right side
    20,206,911.30x = 302,396,590,775,308.75
  5. Step 5: Solve for x
    x = 302,396,590,775,308.75/20,206,911.30
  6. Step 6: Final answer
    x = 14,965,008.08

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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.