Home / 20,046,016.88-27,663,706.20-10,878,738.80

Finding the Fourth Proportional to 20,046,016.88, 27,663,706.20 and 10,878,738.80

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Solution

The fourth proportional to 20,046,016.88, 27,663,706.20 and 10,878,738.80 is: 15,012,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046,016.88 : 27,663,706.20 = 10,878,738.80 : x
  2. Step 2: Convert to fraction form
    20,046,016.88/27,663,706.20 = 10,878,738.80/x
  3. Step 3: Cross multiply
    20,046,016.88x = 27,663,706.20 × 10,878,738.80
  4. Step 4: Simplify right side
    20,046,016.88x = 300,946,233,989,740.56
  5. Step 5: Solve for x
    x = 300,946,233,989,740.56/20,046,016.88
  6. Step 6: Final answer
    x = 15,012,769.66

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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.