Home / 13,599,230.30-20,398,845.45-12,801,412.70

Finding the Fourth Proportional to 13,599,230.30, 20,398,845.45 and 12,801,412.70

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Solution

The fourth proportional to 13,599,230.30, 20,398,845.45 and 12,801,412.70 is: 19,202,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,230.30 : 20,398,845.45 = 12,801,412.70 : x
  2. Step 2: Convert to fraction form
    13,599,230.30/20,398,845.45 = 12,801,412.70/x
  3. Step 3: Cross multiply
    13,599,230.30x = 20,398,845.45 × 12,801,412.70
  4. Step 4: Simplify right side
    13,599,230.30x = 261,134,039,208,967.19
  5. Step 5: Solve for x
    x = 261,134,039,208,967.19/13,599,230.30
  6. Step 6: Final answer
    x = 19,202,119.05

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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.