Home / 27,759,723.57-38,309,615.82-15,369,817.23

Finding the Fourth Proportional to 27,759,723.57, 38,309,615.82 and 15,369,817.23

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Solution

The fourth proportional to 27,759,723.57, 38,309,615.82 and 15,369,817.23 is: 21,211,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759,723.57 : 38,309,615.82 = 15,369,817.23 : x
  2. Step 2: Convert to fraction form
    27,759,723.57/38,309,615.82 = 15,369,817.23/x
  3. Step 3: Cross multiply
    27,759,723.57x = 38,309,615.82 × 15,369,817.23
  4. Step 4: Simplify right side
    27,759,723.57x = 588,811,793,304,916.62
  5. Step 5: Solve for x
    x = 588,811,793,304,916.62/27,759,723.57
  6. Step 6: Final answer
    x = 21,211,010.69

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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.