Home / 12,765,724.62-17,616,616.38-7,259,100.36

Finding the Fourth Proportional to 12,765,724.62, 17,616,616.38 and 7,259,100.36

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Solution

The fourth proportional to 12,765,724.62, 17,616,616.38 and 7,259,100.36 is: 10,017,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,724.62 : 17,616,616.38 = 7,259,100.36 : x
  2. Step 2: Convert to fraction form
    12,765,724.62/17,616,616.38 = 7,259,100.36/x
  3. Step 3: Cross multiply
    12,765,724.62x = 17,616,616.38 × 7,259,100.36
  4. Step 4: Simplify right side
    12,765,724.62x = 127,880,786,306,039.89
  5. Step 5: Solve for x
    x = 127,880,786,306,039.89/12,765,724.62
  6. Step 6: Final answer
    x = 10,017,510.96

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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.