Home / 15,412,199.04-21,268,552.32-8,536,659.84

Finding the Fourth Proportional to 15,412,199.04, 21,268,552.32 and 8,536,659.84

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Solution

The fourth proportional to 15,412,199.04, 21,268,552.32 and 8,536,659.84 is: 11,780,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,199.04 : 21,268,552.32 = 8,536,659.84 : x
  2. Step 2: Convert to fraction form
    15,412,199.04/21,268,552.32 = 8,536,659.84/x
  3. Step 3: Cross multiply
    15,412,199.04x = 21,268,552.32 × 8,536,659.84
  4. Step 4: Simplify right side
    15,412,199.04x = 181,562,396,445,082.84
  5. Step 5: Solve for x
    x = 181,562,396,445,082.84/15,412,199.04
  6. Step 6: Final answer
    x = 11,780,434.19

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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.