Home / 10,512,928.20-15,769,392.30-6,456,261.90

Finding the Fourth Proportional to 10,512,928.20, 15,769,392.30 and 6,456,261.90

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Solution

The fourth proportional to 10,512,928.20, 15,769,392.30 and 6,456,261.90 is: 9,684,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,928.20 : 15,769,392.30 = 6,456,261.90 : x
  2. Step 2: Convert to fraction form
    10,512,928.20/15,769,392.30 = 6,456,261.90/x
  3. Step 3: Cross multiply
    10,512,928.20x = 15,769,392.30 × 6,456,261.90
  4. Step 4: Simplify right side
    10,512,928.20x = 101,811,326,692,643.38
  5. Step 5: Solve for x
    x = 101,811,326,692,643.38/10,512,928.20
  6. Step 6: Final answer
    x = 9,684,392.85

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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.