Home / 22,409,699.71-30,924,965.64-13,707,233.05

Finding the Fourth Proportional to 22,409,699.71, 30,924,965.64 and 13,707,233.05

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Solution

The fourth proportional to 22,409,699.71, 30,924,965.64 and 13,707,233.05 is: 18,915,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409,699.71 : 30,924,965.64 = 13,707,233.05 : x
  2. Step 2: Convert to fraction form
    22,409,699.71/30,924,965.64 = 13,707,233.05/x
  3. Step 3: Cross multiply
    22,409,699.71x = 30,924,965.64 × 13,707,233.05
  4. Step 4: Simplify right side
    22,409,699.71x = 423,895,711,090,722.44
  5. Step 5: Solve for x
    x = 423,895,711,090,722.44/22,409,699.71
  6. Step 6: Final answer
    x = 18,915,724.73

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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.