Home / 20,199,369.70-30,299,054.55-13,822,077.70

Finding the Fourth Proportional to 20,199,369.70, 30,299,054.55 and 13,822,077.70

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Solution

The fourth proportional to 20,199,369.70, 30,299,054.55 and 13,822,077.70 is: 20,733,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,369.70 : 30,299,054.55 = 13,822,077.70 : x
  2. Step 2: Convert to fraction form
    20,199,369.70/30,299,054.55 = 13,822,077.70/x
  3. Step 3: Cross multiply
    20,199,369.70x = 30,299,054.55 × 13,822,077.70
  4. Step 4: Simplify right side
    20,199,369.70x = 418,795,886,226,638.50
  5. Step 5: Solve for x
    x = 418,795,886,226,638.50/20,199,369.70
  6. Step 6: Final answer
    x = 20,733,116.55

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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.