Home / 26,752,048.80-40,128,073.20-19,939,581.60

Finding the Fourth Proportional to 26,752,048.80, 40,128,073.20 and 19,939,581.60

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Solution

The fourth proportional to 26,752,048.80, 40,128,073.20 and 19,939,581.60 is: 29,909,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752,048.80 : 40,128,073.20 = 19,939,581.60 : x
  2. Step 2: Convert to fraction form
    26,752,048.80/40,128,073.20 = 19,939,581.60/x
  3. Step 3: Cross multiply
    26,752,048.80x = 40,128,073.20 × 19,939,581.60
  4. Step 4: Simplify right side
    26,752,048.80x = 800,136,990,022,173.25
  5. Step 5: Solve for x
    x = 800,136,990,022,173.25/26,752,048.80
  6. Step 6: Final answer
    x = 29,909,372.40

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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.