Home / 19,485,688.20-29,228,532.30-5,108,728.20

Finding the Fourth Proportional to 19,485,688.20, 29,228,532.30 and 5,108,728.20

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Solution

The fourth proportional to 19,485,688.20, 29,228,532.30 and 5,108,728.20 is: 7,663,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485,688.20 : 29,228,532.30 = 5,108,728.20 : x
  2. Step 2: Convert to fraction form
    19,485,688.20/29,228,532.30 = 5,108,728.20/x
  3. Step 3: Cross multiply
    19,485,688.20x = 29,228,532.30 × 5,108,728.20
  4. Step 4: Simplify right side
    19,485,688.20x = 149,320,627,205,620.88
  5. Step 5: Solve for x
    x = 149,320,627,205,620.88/19,485,688.20
  6. Step 6: Final answer
    x = 7,663,092.30

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Double scale
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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.