Home / 11,140,286-15,378,630.76-7,016,378

Finding the Fourth Proportional to 11,140,286, 15,378,630.76 and 7,016,378

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Solution

The fourth proportional to 11,140,286, 15,378,630.76 and 7,016,378 is: 9,685,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140,286 : 15,378,630.76 = 7,016,378 : x
  2. Step 2: Convert to fraction form
    11,140,286/15,378,630.76 = 7,016,378/x
  3. Step 3: Cross multiply
    11,140,286x = 15,378,630.76 × 7,016,378
  4. Step 4: Simplify right side
    11,140,286x = 107,902,286,534,587.28
  5. Step 5: Solve for x
    x = 107,902,286,534,587.28/11,140,286
  6. Step 6: Final answer
    x = 9,685,773.47

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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.