Home / 30,822,213.27-42,518,528.22-19,057,720.97

Finding the Fourth Proportional to 30,822,213.27, 42,518,528.22 and 19,057,720.97

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Solution

The fourth proportional to 30,822,213.27, 42,518,528.22 and 19,057,720.97 is: 26,289,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822,213.27 : 42,518,528.22 = 19,057,720.97 : x
  2. Step 2: Convert to fraction form
    30,822,213.27/42,518,528.22 = 19,057,720.97/x
  3. Step 3: Cross multiply
    30,822,213.27x = 42,518,528.22 × 19,057,720.97
  4. Step 4: Simplify right side
    30,822,213.27x = 810,306,247,049,593.62
  5. Step 5: Solve for x
    x = 810,306,247,049,593.62/30,822,213.27
  6. Step 6: Final answer
    x = 26,289,684.00

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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.