Home / 9,660,400.09-13,331,381.15-5,309,932.21

Finding the Fourth Proportional to 9,660,400.09, 13,331,381.15 and 5,309,932.21

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Solution

The fourth proportional to 9,660,400.09, 13,331,381.15 and 5,309,932.21 is: 7,327,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,400.09 : 13,331,381.15 = 5,309,932.21 : x
  2. Step 2: Convert to fraction form
    9,660,400.09/13,331,381.15 = 5,309,932.21/x
  3. Step 3: Cross multiply
    9,660,400.09x = 13,331,381.15 × 5,309,932.21
  4. Step 4: Simplify right side
    9,660,400.09x = 70,788,730,132,205.97
  5. Step 5: Solve for x
    x = 70,788,730,132,205.97/9,660,400.09
  6. Step 6: Final answer
    x = 7,327,722.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.