Home / 20,187,499.30-30,281,248.95-11,684,443.30

Finding the Fourth Proportional to 20,187,499.30, 30,281,248.95 and 11,684,443.30

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Solution

The fourth proportional to 20,187,499.30, 30,281,248.95 and 11,684,443.30 is: 17,526,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,499.30 : 30,281,248.95 = 11,684,443.30 : x
  2. Step 2: Convert to fraction form
    20,187,499.30/30,281,248.95 = 11,684,443.30/x
  3. Step 3: Cross multiply
    20,187,499.30x = 30,281,248.95 × 11,684,443.30
  4. Step 4: Simplify right side
    20,187,499.30x = 353,819,536,409,459.56
  5. Step 5: Solve for x
    x = 353,819,536,409,459.56/20,187,499.30
  6. Step 6: Final answer
    x = 17,526,664.95

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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.