Home / 15,108,933.24-20,849,720.76-8,233,267.68

Finding the Fourth Proportional to 15,108,933.24, 20,849,720.76 and 8,233,267.68

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Solution

The fourth proportional to 15,108,933.24, 20,849,720.76 and 8,233,267.68 is: 11,361,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108,933.24 : 20,849,720.76 = 8,233,267.68 : x
  2. Step 2: Convert to fraction form
    15,108,933.24/20,849,720.76 = 8,233,267.68/x
  3. Step 3: Cross multiply
    15,108,933.24x = 20,849,720.76 × 8,233,267.68
  4. Step 4: Simplify right side
    15,108,933.24x = 171,661,332,070,333.03
  5. Step 5: Solve for x
    x = 171,661,332,070,333.03/15,108,933.24
  6. Step 6: Final answer
    x = 11,361,578.57

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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.