Home / 13,486,529.80-20,229,794.70-12,250,929.48

Finding the Fourth Proportional to 13,486,529.80, 20,229,794.70 and 12,250,929.48

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Solution

The fourth proportional to 13,486,529.80, 20,229,794.70 and 12,250,929.48 is: 18,376,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,529.80 : 20,229,794.70 = 12,250,929.48 : x
  2. Step 2: Convert to fraction form
    13,486,529.80/20,229,794.70 = 12,250,929.48/x
  3. Step 3: Cross multiply
    13,486,529.80x = 20,229,794.70 × 12,250,929.48
  4. Step 4: Simplify right side
    13,486,529.80x = 247,833,788,264,577.75
  5. Step 5: Solve for x
    x = 247,833,788,264,577.75/13,486,529.80
  6. Step 6: Final answer
    x = 18,376,394.22

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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.