Home / 11,503,791.32-15,880,984.79-7,154,278.88

Finding the Fourth Proportional to 11,503,791.32, 15,880,984.79 and 7,154,278.88

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Solution

The fourth proportional to 11,503,791.32, 15,880,984.79 and 7,154,278.88 is: 9,876,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503,791.32 : 15,880,984.79 = 7,154,278.88 : x
  2. Step 2: Convert to fraction form
    11,503,791.32/15,880,984.79 = 7,154,278.88/x
  3. Step 3: Cross multiply
    11,503,791.32x = 15,880,984.79 × 7,154,278.88
  4. Step 4: Simplify right side
    11,503,791.32x = 113,616,994,091,102.44
  5. Step 5: Solve for x
    x = 113,616,994,091,102.44/11,503,791.32
  6. Step 6: Final answer
    x = 9,876,482.54

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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.