Home / 7,810,877.25-11,718,186.48-3,259,394.15

Finding the Fourth Proportional to 7,810,877.25, 11,718,186.48 and 3,259,394.15

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Solution

The fourth proportional to 7,810,877.25, 11,718,186.48 and 3,259,394.15 is: 4,889,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,877.25 : 11,718,186.48 = 3,259,394.15 : x
  2. Step 2: Convert to fraction form
    7,810,877.25/11,718,186.48 = 3,259,394.15/x
  3. Step 3: Cross multiply
    7,810,877.25x = 11,718,186.48 × 3,259,394.15
  4. Step 4: Simplify right side
    7,810,877.25x = 38,194,188,490,816.55
  5. Step 5: Solve for x
    x = 38,194,188,490,816.55/7,810,877.25
  6. Step 6: Final answer
    x = 4,889,871.81

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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.