Home / 13,149,026.30-19,723,539.45-7,760,258.30

Finding the Fourth Proportional to 13,149,026.30, 19,723,539.45 and 7,760,258.30

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Solution

The fourth proportional to 13,149,026.30, 19,723,539.45 and 7,760,258.30 is: 11,640,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,026.30 : 19,723,539.45 = 7,760,258.30 : x
  2. Step 2: Convert to fraction form
    13,149,026.30/19,723,539.45 = 7,760,258.30/x
  3. Step 3: Cross multiply
    13,149,026.30x = 19,723,539.45 × 7,760,258.30
  4. Step 4: Simplify right side
    13,149,026.30x = 153,059,760,722,239.94
  5. Step 5: Solve for x
    x = 153,059,760,722,239.94/13,149,026.30
  6. Step 6: Final answer
    x = 11,640,387.45

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Double scale
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Similar ratio
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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.