Home / 20,256,114.74-30,384,127.08-15,651,796.05

Finding the Fourth Proportional to 20,256,114.74, 30,384,127.08 and 15,651,796.05

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Solution

The fourth proportional to 20,256,114.74, 30,384,127.08 and 15,651,796.05 is: 23,477,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256,114.74 : 30,384,127.08 = 15,651,796.05 : x
  2. Step 2: Convert to fraction form
    20,256,114.74/30,384,127.08 = 15,651,796.05/x
  3. Step 3: Cross multiply
    20,256,114.74x = 30,384,127.08 × 15,651,796.05
  4. Step 4: Simplify right side
    20,256,114.74x = 475,566,160,213,442
  5. Step 5: Solve for x
    x = 475,566,160,213,442/20,256,114.74
  6. Step 6: Final answer
    x = 23,477,659.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.