Home / 13,233,969.60-19,869,616.80-8,195,121.60

Finding the Fourth Proportional to 13,233,969.60, 19,869,616.80 and 8,195,121.60

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Solution

The fourth proportional to 13,233,969.60, 19,869,616.80 and 8,195,121.60 is: 12,304,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,969.60 : 19,869,616.80 = 8,195,121.60 : x
  2. Step 2: Convert to fraction form
    13,233,969.60/19,869,616.80 = 8,195,121.60/x
  3. Step 3: Cross multiply
    13,233,969.60x = 19,869,616.80 × 8,195,121.60
  4. Step 4: Simplify right side
    13,233,969.60x = 162,833,925,821,402.88
  5. Step 5: Solve for x
    x = 162,833,925,821,402.88/13,233,969.60
  6. Step 6: Final answer
    x = 12,304,239.07

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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.