Home / 19,928,288.70-29,892,433.05-19,739,331.90

Finding the Fourth Proportional to 19,928,288.70, 29,892,433.05 and 19,739,331.90

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Solution

The fourth proportional to 19,928,288.70, 29,892,433.05 and 19,739,331.90 is: 29,608,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,288.70 : 29,892,433.05 = 19,739,331.90 : x
  2. Step 2: Convert to fraction form
    19,928,288.70/29,892,433.05 = 19,739,331.90/x
  3. Step 3: Cross multiply
    19,928,288.70x = 29,892,433.05 × 19,739,331.90
  4. Step 4: Simplify right side
    19,928,288.70x = 590,056,657,272,479.25
  5. Step 5: Solve for x
    x = 590,056,657,272,479.25/19,928,288.70
  6. Step 6: Final answer
    x = 29,608,997.85

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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.