Home / 13,423,616.30-20,127,183.93-5,216,675.90

Finding the Fourth Proportional to 13,423,616.30, 20,127,183.93 and 5,216,675.90

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Solution

The fourth proportional to 13,423,616.30, 20,127,183.93 and 5,216,675.90 is: 7,821,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,616.30 : 20,127,183.93 = 5,216,675.90 : x
  2. Step 2: Convert to fraction form
    13,423,616.30/20,127,183.93 = 5,216,675.90/x
  3. Step 3: Cross multiply
    13,423,616.30x = 20,127,183.93 × 5,216,675.90
  4. Step 4: Simplify right side
    13,423,616.30x = 104,996,995,342,498.30
  5. Step 5: Solve for x
    x = 104,996,995,342,498.30/13,423,616.30
  6. Step 6: Final answer
    x = 7,821,811.43

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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.