Home / 8,143,568.01-12,215,345.06-2,078,299.25

Finding the Fourth Proportional to 8,143,568.01, 12,215,345.06 and 2,078,299.25

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Solution

The fourth proportional to 8,143,568.01, 12,215,345.06 and 2,078,299.25 is: 3,117,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,568.01 : 12,215,345.06 = 2,078,299.25 : x
  2. Step 2: Convert to fraction form
    8,143,568.01/12,215,345.06 = 2,078,299.25/x
  3. Step 3: Cross multiply
    8,143,568.01x = 12,215,345.06 × 2,078,299.25
  4. Step 4: Simplify right side
    8,143,568.01x = 25,387,142,466,615.77
  5. Step 5: Solve for x
    x = 25,387,142,466,615.77/8,143,568.01
  6. Step 6: Final answer
    x = 3,117,447.10

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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.