Home / 11,361,680.88-15,679,506.53-6,719,445.33

Finding the Fourth Proportional to 11,361,680.88, 15,679,506.53 and 6,719,445.33

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Solution

The fourth proportional to 11,361,680.88, 15,679,506.53 and 6,719,445.33 is: 9,273,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361,680.88 : 15,679,506.53 = 6,719,445.33 : x
  2. Step 2: Convert to fraction form
    11,361,680.88/15,679,506.53 = 6,719,445.33/x
  3. Step 3: Cross multiply
    11,361,680.88x = 15,679,506.53 × 6,719,445.33
  4. Step 4: Simplify right side
    11,361,680.88x = 105,357,586,896,115.78
  5. Step 5: Solve for x
    x = 105,357,586,896,115.78/11,361,680.88
  6. Step 6: Final answer
    x = 9,273,063.38

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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.