Home / 40,155,244.59-55,415,057.82-21,821,711.07

Finding the Fourth Proportional to 40,155,244.59, 55,415,057.82 and 21,821,711.07

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Solution

The fourth proportional to 40,155,244.59, 55,415,057.82 and 21,821,711.07 is: 30,114,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155,244.59 : 55,415,057.82 = 21,821,711.07 : x
  2. Step 2: Convert to fraction form
    40,155,244.59/55,415,057.82 = 21,821,711.07/x
  3. Step 3: Cross multiply
    40,155,244.59x = 55,415,057.82 × 21,821,711.07
  4. Step 4: Simplify right side
    40,155,244.59x = 1,209,251,380,675,384
  5. Step 5: Solve for x
    x = 1,209,251,380,675,384/40,155,244.59
  6. Step 6: Final answer
    x = 30,114,407.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.