Home / 10,686,910.50-15,992,525.16-6,645,301.74

Finding the Fourth Proportional to 10,686,910.50, 15,992,525.16 and 6,645,301.74

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Solution

The fourth proportional to 10,686,910.50, 15,992,525.16 and 6,645,301.74 is: 9,944,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,910.50 : 15,992,525.16 = 6,645,301.74 : x
  2. Step 2: Convert to fraction form
    10,686,910.50/15,992,525.16 = 6,645,301.74/x
  3. Step 3: Cross multiply
    10,686,910.50x = 15,992,525.16 × 6,645,301.74
  4. Step 4: Simplify right side
    10,686,910.50x = 106,275,155,272,741.78
  5. Step 5: Solve for x
    x = 106,275,155,272,741.78/10,686,910.50
  6. Step 6: Final answer
    x = 9,944,422.69

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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.