Home / 20,348,434.38-28,080,832.98-11,181,667.62

Finding the Fourth Proportional to 20,348,434.38, 28,080,832.98 and 11,181,667.62

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Solution

The fourth proportional to 20,348,434.38, 28,080,832.98 and 11,181,667.62 is: 15,430,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,434.38 : 28,080,832.98 = 11,181,667.62 : x
  2. Step 2: Convert to fraction form
    20,348,434.38/28,080,832.98 = 11,181,667.62/x
  3. Step 3: Cross multiply
    20,348,434.38x = 28,080,832.98 × 11,181,667.62
  4. Step 4: Simplify right side
    20,348,434.38x = 313,990,540,875,094.06
  5. Step 5: Solve for x
    x = 313,990,540,875,094.06/20,348,434.38
  6. Step 6: Final answer
    x = 15,430,697.76

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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.