Home / 15,251,262.18-21,046,672.35-8,281,883.67

Finding the Fourth Proportional to 15,251,262.18, 21,046,672.35 and 8,281,883.67

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Solution

The fourth proportional to 15,251,262.18, 21,046,672.35 and 8,281,883.67 is: 11,428,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,262.18 : 21,046,672.35 = 8,281,883.67 : x
  2. Step 2: Convert to fraction form
    15,251,262.18/21,046,672.35 = 8,281,883.67/x
  3. Step 3: Cross multiply
    15,251,262.18x = 21,046,672.35 × 8,281,883.67
  4. Step 4: Simplify right side
    15,251,262.18x = 174,306,092,043,305.53
  5. Step 5: Solve for x
    x = 174,306,092,043,305.53/15,251,262.18
  6. Step 6: Final answer
    x = 11,428,961.75

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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.