Home / 8,143,259.25-11,242,060.65-6,278,602.20

Finding the Fourth Proportional to 8,143,259.25, 11,242,060.65 and 6,278,602.20

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Solution

The fourth proportional to 8,143,259.25, 11,242,060.65 and 6,278,602.20 is: 8,667,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,259.25 : 11,242,060.65 = 6,278,602.20 : x
  2. Step 2: Convert to fraction form
    8,143,259.25/11,242,060.65 = 6,278,602.20/x
  3. Step 3: Cross multiply
    8,143,259.25x = 11,242,060.65 × 6,278,602.20
  4. Step 4: Simplify right side
    8,143,259.25x = 70,584,426,729,623.44
  5. Step 5: Solve for x
    x = 70,584,426,729,623.44/8,143,259.25
  6. Step 6: Final answer
    x = 8,667,834.90

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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.