Home / 14,965,853.28-20,658,493.92-9,809,547.12

Finding the Fourth Proportional to 14,965,853.28, 20,658,493.92 and 9,809,547.12

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Solution

The fourth proportional to 14,965,853.28, 20,658,493.92 and 9,809,547.12 is: 13,540,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965,853.28 : 20,658,493.92 = 9,809,547.12 : x
  2. Step 2: Convert to fraction form
    14,965,853.28/20,658,493.92 = 9,809,547.12/x
  3. Step 3: Cross multiply
    14,965,853.28x = 20,658,493.92 × 9,809,547.12
  4. Step 4: Simplify right side
    14,965,853.28x = 202,650,469,536,473.50
  5. Step 5: Solve for x
    x = 202,650,469,536,473.50/14,965,853.28
  6. Step 6: Final answer
    x = 13,540,856.36

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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.