Home / 11,104,401.30-16,656,601.95-5,428,266.90

Finding the Fourth Proportional to 11,104,401.30, 16,656,601.95 and 5,428,266.90

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Solution

The fourth proportional to 11,104,401.30, 16,656,601.95 and 5,428,266.90 is: 8,142,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104,401.30 : 16,656,601.95 = 5,428,266.90 : x
  2. Step 2: Convert to fraction form
    11,104,401.30/16,656,601.95 = 5,428,266.90/x
  3. Step 3: Cross multiply
    11,104,401.30x = 16,656,601.95 × 5,428,266.90
  4. Step 4: Simplify right side
    11,104,401.30x = 90,416,481,031,660.45
  5. Step 5: Solve for x
    x = 90,416,481,031,660.45/11,104,401.30
  6. Step 6: Final answer
    x = 8,142,400.35

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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.