Home / 19,744,147.60-29,627,280.60-8,382,662.80

Finding the Fourth Proportional to 19,744,147.60, 29,627,280.60 and 8,382,662.80

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Solution

The fourth proportional to 19,744,147.60, 29,627,280.60 and 8,382,662.80 is: 12,578,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744,147.60 : 29,627,280.60 = 8,382,662.80 : x
  2. Step 2: Convert to fraction form
    19,744,147.60/29,627,280.60 = 8,382,662.80/x
  3. Step 3: Cross multiply
    19,744,147.60x = 29,627,280.60 × 8,382,662.80
  4. Step 4: Simplify right side
    19,744,147.60x = 248,355,502,950,781.69
  5. Step 5: Solve for x
    x = 248,355,502,950,781.69/19,744,147.60
  6. Step 6: Final answer
    x = 12,578,689.54

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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.