Home / 12,285,476.80-18,396,722.40-9,073,211.20

Finding the Fourth Proportional to 12,285,476.80, 18,396,722.40 and 9,073,211.20

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Solution

The fourth proportional to 12,285,476.80, 18,396,722.40 and 9,073,211.20 is: 13,586,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,476.80 : 18,396,722.40 = 9,073,211.20 : x
  2. Step 2: Convert to fraction form
    12,285,476.80/18,396,722.40 = 9,073,211.20/x
  3. Step 3: Cross multiply
    12,285,476.80x = 18,396,722.40 × 9,073,211.20
  4. Step 4: Simplify right side
    12,285,476.80x = 166,917,347,722,970.84
  5. Step 5: Solve for x
    x = 166,917,347,722,970.84/12,285,476.80
  6. Step 6: Final answer
    x = 13,586,558.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.