Home / 8,118,472-12,178,427.28-2,134,840

Finding the Fourth Proportional to 8,118,472, 12,178,427.28 and 2,134,840

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Solution

The fourth proportional to 8,118,472, 12,178,427.28 and 2,134,840 is: 3,202,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,472 : 12,178,427.28 = 2,134,840 : x
  2. Step 2: Convert to fraction form
    8,118,472/12,178,427.28 = 2,134,840/x
  3. Step 3: Cross multiply
    8,118,472x = 12,178,427.28 × 2,134,840
  4. Step 4: Simplify right side
    8,118,472x = 25,998,993,694,435.20
  5. Step 5: Solve for x
    x = 25,998,993,694,435.20/8,118,472
  6. Step 6: Final answer
    x = 3,202,449.14

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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.