Home / 20,449,851.57-28,186,553.75-17,962,707.69

Finding the Fourth Proportional to 20,449,851.57, 28,186,553.75 and 17,962,707.69

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Solution

The fourth proportional to 20,449,851.57, 28,186,553.75 and 17,962,707.69 is: 24,758,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,851.57 : 28,186,553.75 = 17,962,707.69 : x
  2. Step 2: Convert to fraction form
    20,449,851.57/28,186,553.75 = 17,962,707.69/x
  3. Step 3: Cross multiply
    20,449,851.57x = 28,186,553.75 × 17,962,707.69
  4. Step 4: Simplify right side
    20,449,851.57x = 506,306,825,709,909.88
  5. Step 5: Solve for x
    x = 506,306,825,709,909.88/20,449,851.57
  6. Step 6: Final answer
    x = 24,758,459.69

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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.