Home / 20,407,165.60-28,165,086.94-12,035,455.51

Finding the Fourth Proportional to 20,407,165.60, 28,165,086.94 and 12,035,455.51

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Solution

The fourth proportional to 20,407,165.60, 28,165,086.94 and 12,035,455.51 is: 16,610,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,407,165.60 : 28,165,086.94 = 12,035,455.51 : x
  2. Step 2: Convert to fraction form
    20,407,165.60/28,165,086.94 = 12,035,455.51/x
  3. Step 3: Cross multiply
    20,407,165.60x = 28,165,086.94 × 12,035,455.51
  4. Step 4: Simplify right side
    20,407,165.60x = 338,979,650,801,652.06
  5. Step 5: Solve for x
    x = 338,979,650,801,652.06/20,407,165.60
  6. Step 6: Final answer
    x = 16,610,814.92

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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.