Home / 13,028,000.70-19,542,001.05-9,626,778.30

Finding the Fourth Proportional to 13,028,000.70, 19,542,001.05 and 9,626,778.30

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Solution

The fourth proportional to 13,028,000.70, 19,542,001.05 and 9,626,778.30 is: 14,440,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,000.70 : 19,542,001.05 = 9,626,778.30 : x
  2. Step 2: Convert to fraction form
    13,028,000.70/19,542,001.05 = 9,626,778.30/x
  3. Step 3: Cross multiply
    13,028,000.70x = 19,542,001.05 × 9,626,778.30
  4. Step 4: Simplify right side
    13,028,000.70x = 188,126,511,646,717.25
  5. Step 5: Solve for x
    x = 188,126,511,646,717.25/13,028,000.70
  6. Step 6: Final answer
    x = 14,440,167.45

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Similar ratio
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1.5x scale

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.