Home / 15,205,294.73-20,983,138.62-8,235,799.58

Finding the Fourth Proportional to 15,205,294.73, 20,983,138.62 and 8,235,799.58

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Solution

The fourth proportional to 15,205,294.73, 20,983,138.62 and 8,235,799.58 is: 11,365,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,294.73 : 20,983,138.62 = 8,235,799.58 : x
  2. Step 2: Convert to fraction form
    15,205,294.73/20,983,138.62 = 8,235,799.58/x
  3. Step 3: Cross multiply
    15,205,294.73x = 20,983,138.62 × 8,235,799.58
  4. Step 4: Simplify right side
    15,205,294.73x = 172,812,924,233,677.78
  5. Step 5: Solve for x
    x = 172,812,924,233,677.78/15,205,294.73
  6. Step 6: Final answer
    x = 11,365,312.37

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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.