Home / 12,923,221.86-17,834,046.33-7,122,003.54

Finding the Fourth Proportional to 12,923,221.86, 17,834,046.33 and 7,122,003.54

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Solution

The fourth proportional to 12,923,221.86, 17,834,046.33 and 7,122,003.54 is: 9,828,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,221.86 : 17,834,046.33 = 7,122,003.54 : x
  2. Step 2: Convert to fraction form
    12,923,221.86/17,834,046.33 = 7,122,003.54/x
  3. Step 3: Cross multiply
    12,923,221.86x = 17,834,046.33 × 7,122,003.54
  4. Step 4: Simplify right side
    12,923,221.86x = 127,014,141,094,784
  5. Step 5: Solve for x
    x = 127,014,141,094,784/12,923,221.86
  6. Step 6: Final answer
    x = 9,828,364.98

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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.