Home / 10,362,832.70-15,516,255.45-8,123,344.70

Finding the Fourth Proportional to 10,362,832.70, 15,516,255.45 and 8,123,344.70

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Solution

The fourth proportional to 10,362,832.70, 15,516,255.45 and 8,123,344.70 is: 12,163,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,832.70 : 15,516,255.45 = 8,123,344.70 : x
  2. Step 2: Convert to fraction form
    10,362,832.70/15,516,255.45 = 8,123,344.70/x
  3. Step 3: Cross multiply
    10,362,832.70x = 15,516,255.45 × 8,123,344.70
  4. Step 4: Simplify right side
    10,362,832.70x = 126,043,891,473,603.61
  5. Step 5: Solve for x
    x = 126,043,891,473,603.61/10,362,832.70
  6. Step 6: Final answer
    x = 12,163,073.08

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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.