Home / 12,923,939.32-17,834,977.62-7,122,708.52

Finding the Fourth Proportional to 12,923,939.32, 17,834,977.62 and 7,122,708.52

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Solution

The fourth proportional to 12,923,939.32, 17,834,977.62 and 7,122,708.52 is: 9,829,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,939.32 : 17,834,977.62 = 7,122,708.52 : x
  2. Step 2: Convert to fraction form
    12,923,939.32/17,834,977.62 = 7,122,708.52/x
  3. Step 3: Cross multiply
    12,923,939.32x = 17,834,977.62 × 7,122,708.52
  4. Step 4: Simplify right side
    12,923,939.32x = 127,033,347,047,983.33
  5. Step 5: Solve for x
    x = 127,033,347,047,983.33/12,923,939.32
  6. Step 6: Final answer
    x = 9,829,305.44

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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.