Home / 12,499,449.69-18,735,985.34-6,740,616.01

Finding the Fourth Proportional to 12,499,449.69, 18,735,985.34 and 6,740,616.01

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Solution

The fourth proportional to 12,499,449.69, 18,735,985.34 and 6,740,616.01 is: 10,103,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499,449.69 : 18,735,985.34 = 6,740,616.01 : x
  2. Step 2: Convert to fraction form
    12,499,449.69/18,735,985.34 = 6,740,616.01/x
  3. Step 3: Cross multiply
    12,499,449.69x = 18,735,985.34 × 6,740,616.01
  4. Step 4: Simplify right side
    12,499,449.69x = 126,292,082,654,143.97
  5. Step 5: Solve for x
    x = 126,292,082,654,143.97/12,499,449.69
  6. Step 6: Final answer
    x = 10,103,811.43

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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.