Home / 20,771,976.40-31,157,964.60-17,233,032.40

Finding the Fourth Proportional to 20,771,976.40, 31,157,964.60 and 17,233,032.40

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Solution

The fourth proportional to 20,771,976.40, 31,157,964.60 and 17,233,032.40 is: 25,849,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,976.40 : 31,157,964.60 = 17,233,032.40 : x
  2. Step 2: Convert to fraction form
    20,771,976.40/31,157,964.60 = 17,233,032.40/x
  3. Step 3: Cross multiply
    20,771,976.40x = 31,157,964.60 × 17,233,032.40
  4. Step 4: Simplify right side
    20,771,976.40x = 536,946,213,469,853
  5. Step 5: Solve for x
    x = 536,946,213,469,853/20,771,976.40
  6. Step 6: Final answer
    x = 25,849,548.60

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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.