Home / 8,143,568.03-12,215,345.03-2,078,299.27

Finding the Fourth Proportional to 8,143,568.03, 12,215,345.03 and 2,078,299.27

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Solution

The fourth proportional to 8,143,568.03, 12,215,345.03 and 2,078,299.27 is: 3,117,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,568.03 : 12,215,345.03 = 2,078,299.27 : x
  2. Step 2: Convert to fraction form
    8,143,568.03/12,215,345.03 = 2,078,299.27/x
  3. Step 3: Cross multiply
    8,143,568.03x = 12,215,345.03 × 2,078,299.27
  4. Step 4: Simplify right side
    8,143,568.03x = 25,387,142,602,607.12
  5. Step 5: Solve for x
    x = 25,387,142,602,607.12/8,143,568.03
  6. Step 6: Final answer
    x = 3,117,447.11

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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.