Home / 12,121,592.67-16,731,295.89-7,164,625.95

Finding the Fourth Proportional to 12,121,592.67, 16,731,295.89 and 7,164,625.95

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Solution

The fourth proportional to 12,121,592.67, 16,731,295.89 and 7,164,625.95 is: 9,889,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,592.67 : 16,731,295.89 = 7,164,625.95 : x
  2. Step 2: Convert to fraction form
    12,121,592.67/16,731,295.89 = 7,164,625.95/x
  3. Step 3: Cross multiply
    12,121,592.67x = 16,731,295.89 × 7,164,625.95
  4. Step 4: Simplify right side
    12,121,592.67x = 119,873,476,710,622.36
  5. Step 5: Solve for x
    x = 119,873,476,710,622.36/12,121,592.67
  6. Step 6: Final answer
    x = 9,889,251.35

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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.