Home / 15,021,274.08-20,729,363.74-8,145,754.32

Finding the Fourth Proportional to 15,021,274.08, 20,729,363.74 and 8,145,754.32

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Solution

The fourth proportional to 15,021,274.08, 20,729,363.74 and 8,145,754.32 is: 11,241,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021,274.08 : 20,729,363.74 = 8,145,754.32 : x
  2. Step 2: Convert to fraction form
    15,021,274.08/20,729,363.74 = 8,145,754.32/x
  3. Step 3: Cross multiply
    15,021,274.08x = 20,729,363.74 × 8,145,754.32
  4. Step 4: Simplify right side
    15,021,274.08x = 168,856,304,235,956.34
  5. Step 5: Solve for x
    x = 168,856,304,235,956.34/15,021,274.08
  6. Step 6: Final answer
    x = 11,241,143.95

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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.