Home / 18,879,996.38-28,335,128.13-9,784,694.30

Finding the Fourth Proportional to 18,879,996.38, 28,335,128.13 and 9,784,694.30

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Solution

The fourth proportional to 18,879,996.38, 28,335,128.13 and 9,784,694.30 is: 14,684,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879,996.38 : 28,335,128.13 = 9,784,694.30 : x
  2. Step 2: Convert to fraction form
    18,879,996.38/28,335,128.13 = 9,784,694.30/x
  3. Step 3: Cross multiply
    18,879,996.38x = 28,335,128.13 × 9,784,694.30
  4. Step 4: Simplify right side
    18,879,996.38x = 277,250,566,561,705
  5. Step 5: Solve for x
    x = 277,250,566,561,705/18,879,996.38
  6. Step 6: Final answer
    x = 14,684,884.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.