Home / 43,008,006.80-64,512,010.20-19,073,478.80

Finding the Fourth Proportional to 43,008,006.80, 64,512,010.20 and 19,073,478.80

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Solution

The fourth proportional to 43,008,006.80, 64,512,010.20 and 19,073,478.80 is: 28,610,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008,006.80 : 64,512,010.20 = 19,073,478.80 : x
  2. Step 2: Convert to fraction form
    43,008,006.80/64,512,010.20 = 19,073,478.80/x
  3. Step 3: Cross multiply
    43,008,006.80x = 64,512,010.20 × 19,073,478.80
  4. Step 4: Simplify right side
    43,008,006.80x = 1,230,468,458,895,083.75
  5. Step 5: Solve for x
    x = 1,230,468,458,895,083.75/43,008,006.80
  6. Step 6: Final answer
    x = 28,610,218.20

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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.