Home / 12,192,751.40-16,818,285.06-7,834,346.60

Finding the Fourth Proportional to 12,192,751.40, 16,818,285.06 and 7,834,346.60

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Solution

The fourth proportional to 12,192,751.40, 16,818,285.06 and 7,834,346.60 is: 10,806,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,751.40 : 16,818,285.06 = 7,834,346.60 : x
  2. Step 2: Convert to fraction form
    12,192,751.40/16,818,285.06 = 7,834,346.60/x
  3. Step 3: Cross multiply
    12,192,751.40x = 16,818,285.06 × 7,834,346.60
  4. Step 4: Simplify right side
    12,192,751.40x = 131,760,274,377,641.78
  5. Step 5: Solve for x
    x = 131,760,274,377,641.78/12,192,751.40
  6. Step 6: Final answer
    x = 10,806,443.11

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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.