Home / 13,556,517.24-18,707,925.80-7,361,508.62

Finding the Fourth Proportional to 13,556,517.24, 18,707,925.80 and 7,361,508.62

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Solution

The fourth proportional to 13,556,517.24, 18,707,925.80 and 7,361,508.62 is: 10,158,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,517.24 : 18,707,925.80 = 7,361,508.62 : x
  2. Step 2: Convert to fraction form
    13,556,517.24/18,707,925.80 = 7,361,508.62/x
  3. Step 3: Cross multiply
    13,556,517.24x = 18,707,925.80 × 7,361,508.62
  4. Step 4: Simplify right side
    13,556,517.24x = 137,718,556,908,673.23
  5. Step 5: Solve for x
    x = 137,718,556,908,673.23/13,556,517.24
  6. Step 6: Final answer
    x = 10,158,844.97

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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.