Home / 20,199,370.70-30,299,056.05-13,822,078.70

Finding the Fourth Proportional to 20,199,370.70, 30,299,056.05 and 13,822,078.70

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Solution

The fourth proportional to 20,199,370.70, 30,299,056.05 and 13,822,078.70 is: 20,733,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,370.70 : 30,299,056.05 = 13,822,078.70 : x
  2. Step 2: Convert to fraction form
    20,199,370.70/30,299,056.05 = 13,822,078.70/x
  3. Step 3: Cross multiply
    20,199,370.70x = 30,299,056.05 × 13,822,078.70
  4. Step 4: Simplify right side
    20,199,370.70x = 418,795,937,258,811.12
  5. Step 5: Solve for x
    x = 418,795,937,258,811.12/20,199,370.70
  6. Step 6: Final answer
    x = 20,733,118.05

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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.