Home / 12,997,603.20-17,937,252.97-7,196,385.03

Finding the Fourth Proportional to 12,997,603.20, 17,937,252.97 and 7,196,385.03

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Solution

The fourth proportional to 12,997,603.20, 17,937,252.97 and 7,196,385.03 is: 9,931,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,603.20 : 17,937,252.97 = 7,196,385.03 : x
  2. Step 2: Convert to fraction form
    12,997,603.20/17,937,252.97 = 7,196,385.03/x
  3. Step 3: Cross multiply
    12,997,603.20x = 17,937,252.97 × 7,196,385.03
  4. Step 4: Simplify right side
    12,997,603.20x = 129,083,378,667,375.39
  5. Step 5: Solve for x
    x = 129,083,378,667,375.39/12,997,603.20
  6. Step 6: Final answer
    x = 9,931,321.69

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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.