Home / 15,275,321.20-22,912,981.80-13,302,346.49

Finding the Fourth Proportional to 15,275,321.20, 22,912,981.80 and 13,302,346.49

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Solution

The fourth proportional to 15,275,321.20, 22,912,981.80 and 13,302,346.49 is: 19,953,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275,321.20 : 22,912,981.80 = 13,302,346.49 : x
  2. Step 2: Convert to fraction form
    15,275,321.20/22,912,981.80 = 13,302,346.49/x
  3. Step 3: Cross multiply
    15,275,321.20x = 22,912,981.80 × 13,302,346.49
  4. Step 4: Simplify right side
    15,275,321.20x = 304,796,423,022,663.88
  5. Step 5: Solve for x
    x = 304,796,423,022,663.88/15,275,321.20
  6. Step 6: Final answer
    x = 19,953,519.74

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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.