Home / 13,246,708.32-18,280,620-8,019,645.48

Finding the Fourth Proportional to 13,246,708.32, 18,280,620 and 8,019,645.48

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Solution

The fourth proportional to 13,246,708.32, 18,280,620 and 8,019,645.48 is: 11,067,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246,708.32 : 18,280,620 = 8,019,645.48 : x
  2. Step 2: Convert to fraction form
    13,246,708.32/18,280,620 = 8,019,645.48/x
  3. Step 3: Cross multiply
    13,246,708.32x = 18,280,620 × 8,019,645.48
  4. Step 4: Simplify right side
    13,246,708.32x = 146,604,091,554,597.59
  5. Step 5: Solve for x
    x = 146,604,091,554,597.59/13,246,708.32
  6. Step 6: Final answer
    x = 11,067,209.15

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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.