Home / 20,199,370.45-30,299,055.68-13,822,078.45

Finding the Fourth Proportional to 20,199,370.45, 30,299,055.68 and 13,822,078.45

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Solution

The fourth proportional to 20,199,370.45, 30,299,055.68 and 13,822,078.45 is: 20,733,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,370.45 : 30,299,055.68 = 13,822,078.45 : x
  2. Step 2: Convert to fraction form
    20,199,370.45/30,299,055.68 = 13,822,078.45/x
  3. Step 3: Cross multiply
    20,199,370.45x = 30,299,055.68 × 13,822,078.45
  4. Step 4: Simplify right side
    20,199,370.45x = 418,795,924,569,878.06
  5. Step 5: Solve for x
    x = 418,795,924,569,878.06/20,199,370.45
  6. Step 6: Final answer
    x = 20,733,117.68

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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.