Home / 10,640,147.85-15,962,465.07-3,451,122.45

Finding the Fourth Proportional to 10,640,147.85, 15,962,465.07 and 3,451,122.45

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Solution

The fourth proportional to 10,640,147.85, 15,962,465.07 and 3,451,122.45 is: 5,177,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,147.85 : 15,962,465.07 = 3,451,122.45 : x
  2. Step 2: Convert to fraction form
    10,640,147.85/15,962,465.07 = 3,451,122.45/x
  3. Step 3: Cross multiply
    10,640,147.85x = 15,962,465.07 × 3,451,122.45
  4. Step 4: Simplify right side
    10,640,147.85x = 55,088,421,560,417.83
  5. Step 5: Solve for x
    x = 55,088,421,560,417.83/10,640,147.85
  6. Step 6: Final answer
    x = 5,177,411.29

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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.