Home / 18,081,505.64-24,952,704.69-9,821,705.84

Finding the Fourth Proportional to 18,081,505.64, 24,952,704.69 and 9,821,705.84

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Solution

The fourth proportional to 18,081,505.64, 24,952,704.69 and 9,821,705.84 is: 13,554,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081,505.64 : 24,952,704.69 = 9,821,705.84 : x
  2. Step 2: Convert to fraction form
    18,081,505.64/24,952,704.69 = 9,821,705.84/x
  3. Step 3: Cross multiply
    18,081,505.64x = 24,952,704.69 × 9,821,705.84
  4. Step 4: Simplify right side
    18,081,505.64x = 245,078,125,377,568.41
  5. Step 5: Solve for x
    x = 245,078,125,377,568.41/18,081,505.64
  6. Step 6: Final answer
    x = 13,554,077.31

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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.