Home / 10,215,295.45-15,289,478.72-5,597,239.31

Finding the Fourth Proportional to 10,215,295.45, 15,289,478.72 and 5,597,239.31

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Solution

The fourth proportional to 10,215,295.45, 15,289,478.72 and 5,597,239.31 is: 8,377,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,295.45 : 15,289,478.72 = 5,597,239.31 : x
  2. Step 2: Convert to fraction form
    10,215,295.45/15,289,478.72 = 5,597,239.31/x
  3. Step 3: Cross multiply
    10,215,295.45x = 15,289,478.72 × 5,597,239.31
  4. Step 4: Simplify right side
    10,215,295.45x = 85,578,871,320,992.48
  5. Step 5: Solve for x
    x = 85,578,871,320,992.48/10,215,295.45
  6. Step 6: Final answer
    x = 8,377,522.88

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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.