Home / 20,181,810.48-27,842,161.86-12,341,665.46

Finding the Fourth Proportional to 20,181,810.48, 27,842,161.86 and 12,341,665.46

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Solution

The fourth proportional to 20,181,810.48, 27,842,161.86 and 12,341,665.46 is: 17,026,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,810.48 : 27,842,161.86 = 12,341,665.46 : x
  2. Step 2: Convert to fraction form
    20,181,810.48/27,842,161.86 = 12,341,665.46/x
  3. Step 3: Cross multiply
    20,181,810.48x = 27,842,161.86 × 12,341,665.46
  4. Step 4: Simplify right side
    20,181,810.48x = 343,618,647,428,896.75
  5. Step 5: Solve for x
    x = 343,618,647,428,896.75/20,181,810.48
  6. Step 6: Final answer
    x = 17,026,155.69

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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.