Home / 15,479,788.01-21,362,121.12-8,510,584.15

Finding the Fourth Proportional to 15,479,788.01, 21,362,121.12 and 8,510,584.15

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Solution

The fourth proportional to 15,479,788.01, 21,362,121.12 and 8,510,584.15 is: 11,744,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479,788.01 : 21,362,121.12 = 8,510,584.15 : x
  2. Step 2: Convert to fraction form
    15,479,788.01/21,362,121.12 = 8,510,584.15/x
  3. Step 3: Cross multiply
    15,479,788.01x = 21,362,121.12 × 8,510,584.15
  4. Step 4: Simplify right side
    15,479,788.01x = 181,804,129,414,252.25
  5. Step 5: Solve for x
    x = 181,804,129,414,252.25/15,479,788.01
  6. Step 6: Final answer
    x = 11,744,613.64

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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.