Home / 12,612,121.31-17,404,727.10-6,810,902.58

Finding the Fourth Proportional to 12,612,121.31, 17,404,727.10 and 6,810,902.58

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Solution

The fourth proportional to 12,612,121.31, 17,404,727.10 and 6,810,902.58 is: 9,399,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,121.31 : 17,404,727.10 = 6,810,902.58 : x
  2. Step 2: Convert to fraction form
    12,612,121.31/17,404,727.10 = 6,810,902.58/x
  3. Step 3: Cross multiply
    12,612,121.31x = 17,404,727.10 × 6,810,902.58
  4. Step 4: Simplify right side
    12,612,121.31x = 118,541,900,621,612.62
  5. Step 5: Solve for x
    x = 118,541,900,621,612.62/12,612,121.31
  6. Step 6: Final answer
    x = 9,399,045.39

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1.5x scale

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.