Home / 20,258,319.02-27,959,142.56-11,554,496.42

Finding the Fourth Proportional to 20,258,319.02, 27,959,142.56 and 11,554,496.42

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Solution

The fourth proportional to 20,258,319.02, 27,959,142.56 and 11,554,496.42 is: 15,946,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,319.02 : 27,959,142.56 = 11,554,496.42 : x
  2. Step 2: Convert to fraction form
    20,258,319.02/27,959,142.56 = 11,554,496.42/x
  3. Step 3: Cross multiply
    20,258,319.02x = 27,959,142.56 × 11,554,496.42
  4. Step 4: Simplify right side
    20,258,319.02x = 323,053,812,418,221.44
  5. Step 5: Solve for x
    x = 323,053,812,418,221.44/20,258,319.02
  6. Step 6: Final answer
    x = 15,946,723.53

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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.