Home / 33,780,387.11-46,615,685.32-18,310,139.60

Finding the Fourth Proportional to 33,780,387.11, 46,615,685.32 and 18,310,139.60

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Solution

The fourth proportional to 33,780,387.11, 46,615,685.32 and 18,310,139.60 is: 25,267,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780,387.11 : 46,615,685.32 = 18,310,139.60 : x
  2. Step 2: Convert to fraction form
    33,780,387.11/46,615,685.32 = 18,310,139.60/x
  3. Step 3: Cross multiply
    33,780,387.11x = 46,615,685.32 × 18,310,139.60
  4. Step 4: Simplify right side
    33,780,387.11x = 853,539,705,758,870.75
  5. Step 5: Solve for x
    x = 853,539,705,758,870.75/33,780,387.11
  6. Step 6: Final answer
    x = 25,267,315.71

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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.