Home / 23,190,638.60-34,785,957.90-21,206,592.20

Finding the Fourth Proportional to 23,190,638.60, 34,785,957.90 and 21,206,592.20

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Solution

The fourth proportional to 23,190,638.60, 34,785,957.90 and 21,206,592.20 is: 31,809,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190,638.60 : 34,785,957.90 = 21,206,592.20 : x
  2. Step 2: Convert to fraction form
    23,190,638.60/34,785,957.90 = 21,206,592.20/x
  3. Step 3: Cross multiply
    23,190,638.60x = 34,785,957.90 × 21,206,592.20
  4. Step 4: Simplify right side
    23,190,638.60x = 737,691,623,471,668.38
  5. Step 5: Solve for x
    x = 737,691,623,471,668.38/23,190,638.60
  6. Step 6: Final answer
    x = 31,809,888.30

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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.