Home / 7,806,985.32-11,713,093.62-2,692,945.20

Finding the Fourth Proportional to 7,806,985.32, 11,713,093.62 and 2,692,945.20

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Solution

The fourth proportional to 7,806,985.32, 11,713,093.62 and 2,692,945.20 is: 4,040,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806,985.32 : 11,713,093.62 = 2,692,945.20 : x
  2. Step 2: Convert to fraction form
    7,806,985.32/11,713,093.62 = 2,692,945.20/x
  3. Step 3: Cross multiply
    7,806,985.32x = 11,713,093.62 × 2,692,945.20
  4. Step 4: Simplify right side
    7,806,985.32x = 31,542,719,241,129.62
  5. Step 5: Solve for x
    x = 31,542,719,241,129.62/7,806,985.32
  6. Step 6: Final answer
    x = 4,040,320.04

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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.