Home / 30,138,109.56-41,590,302.12-16,387,076.52

Finding the Fourth Proportional to 30,138,109.56, 41,590,302.12 and 16,387,076.52

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Solution

The fourth proportional to 30,138,109.56, 41,590,302.12 and 16,387,076.52 is: 22,614,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138,109.56 : 41,590,302.12 = 16,387,076.52 : x
  2. Step 2: Convert to fraction form
    30,138,109.56/41,590,302.12 = 16,387,076.52/x
  3. Step 3: Cross multiply
    30,138,109.56x = 41,590,302.12 × 16,387,076.52
  4. Step 4: Simplify right side
    30,138,109.56x = 681,543,463,330,358.12
  5. Step 5: Solve for x
    x = 681,543,463,330,358.12/30,138,109.56
  6. Step 6: Final answer
    x = 22,614,008.42

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1.5x scale

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.