Home / 12,747,016.44-17,590,332.78-7,240,374.27

Finding the Fourth Proportional to 12,747,016.44, 17,590,332.78 and 7,240,374.27

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Solution

The fourth proportional to 12,747,016.44, 17,590,332.78 and 7,240,374.27 is: 9,991,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,016.44 : 17,590,332.78 = 7,240,374.27 : x
  2. Step 2: Convert to fraction form
    12,747,016.44/17,590,332.78 = 7,240,374.27/x
  3. Step 3: Cross multiply
    12,747,016.44x = 17,590,332.78 × 7,240,374.27
  4. Step 4: Simplify right side
    12,747,016.44x = 127,360,592,861,049.58
  5. Step 5: Solve for x
    x = 127,360,592,861,049.58/12,747,016.44
  6. Step 6: Final answer
    x = 9,991,404.14

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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.