Home / 15,295,179.60-21,107,616.30-8,326,057.50

Finding the Fourth Proportional to 15,295,179.60, 21,107,616.30 and 8,326,057.50

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Solution

The fourth proportional to 15,295,179.60, 21,107,616.30 and 8,326,057.50 is: 11,490,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,179.60 : 21,107,616.30 = 8,326,057.50 : x
  2. Step 2: Convert to fraction form
    15,295,179.60/21,107,616.30 = 8,326,057.50/x
  3. Step 3: Cross multiply
    15,295,179.60x = 21,107,616.30 × 8,326,057.50
  4. Step 4: Simplify right side
    15,295,179.60x = 175,743,227,001,737.25
  5. Step 5: Solve for x
    x = 175,743,227,001,737.25/15,295,179.60
  6. Step 6: Final answer
    x = 11,490,105.48

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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.