Home / 13,659,986.22-18,851,161.23-7,548,808.38

Finding the Fourth Proportional to 13,659,986.22, 18,851,161.23 and 7,548,808.38

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Solution

The fourth proportional to 13,659,986.22, 18,851,161.23 and 7,548,808.38 is: 10,417,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,986.22 : 18,851,161.23 = 7,548,808.38 : x
  2. Step 2: Convert to fraction form
    13,659,986.22/18,851,161.23 = 7,548,808.38/x
  3. Step 3: Cross multiply
    13,659,986.22x = 18,851,161.23 × 7,548,808.38
  4. Step 4: Simplify right side
    13,659,986.22x = 142,303,803,865,755.09
  5. Step 5: Solve for x
    x = 142,303,803,865,755.09/13,659,986.22
  6. Step 6: Final answer
    x = 10,417,565.70

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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.