Home / 10,768,882.80-16,131,551.40-6,712,921.20

Finding the Fourth Proportional to 10,768,882.80, 16,131,551.40 and 6,712,921.20

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Solution

The fourth proportional to 10,768,882.80, 16,131,551.40 and 6,712,921.20 is: 10,055,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,882.80 : 16,131,551.40 = 6,712,921.20 : x
  2. Step 2: Convert to fraction form
    10,768,882.80/16,131,551.40 = 6,712,921.20/x
  3. Step 3: Cross multiply
    10,768,882.80x = 16,131,551.40 × 6,712,921.20
  4. Step 4: Simplify right side
    10,768,882.80x = 108,289,833,381,949.69
  5. Step 5: Solve for x
    x = 108,289,833,381,949.69/10,768,882.80
  6. Step 6: Final answer
    x = 10,055,809.45

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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.