Home / 18,516,213-25,546,469.04-11,994,841.44

Finding the Fourth Proportional to 18,516,213, 25,546,469.04 and 11,994,841.44

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Solution

The fourth proportional to 18,516,213, 25,546,469.04 and 11,994,841.44 is: 16,549,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516,213 : 25,546,469.04 = 11,994,841.44 : x
  2. Step 2: Convert to fraction form
    18,516,213/25,546,469.04 = 11,994,841.44/x
  3. Step 3: Cross multiply
    18,516,213x = 25,546,469.04 × 11,994,841.44
  4. Step 4: Simplify right side
    18,516,213x = 306,425,845,486,669
  5. Step 5: Solve for x
    x = 306,425,845,486,669/18,516,213
  6. Step 6: Final answer
    x = 16,549,055.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.