Home / 18,269,213.40-27,403,820.10-6,134,643.90

Finding the Fourth Proportional to 18,269,213.40, 27,403,820.10 and 6,134,643.90

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Solution

The fourth proportional to 18,269,213.40, 27,403,820.10 and 6,134,643.90 is: 9,201,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,213.40 : 27,403,820.10 = 6,134,643.90 : x
  2. Step 2: Convert to fraction form
    18,269,213.40/27,403,820.10 = 6,134,643.90/x
  3. Step 3: Cross multiply
    18,269,213.40x = 27,403,820.10 × 6,134,643.90
  4. Step 4: Simplify right side
    18,269,213.40x = 168,112,677,813,162.41
  5. Step 5: Solve for x
    x = 168,112,677,813,162.41/18,269,213.40
  6. Step 6: Final answer
    x = 9,201,965.85

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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.