Home / 21,486,696.48-32,210,601.60-7,836,642.60

Finding the Fourth Proportional to 21,486,696.48, 32,210,601.60 and 7,836,642.60

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Solution

The fourth proportional to 21,486,696.48, 32,210,601.60 and 7,836,642.60 is: 11,747,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486,696.48 : 32,210,601.60 = 7,836,642.60 : x
  2. Step 2: Convert to fraction form
    21,486,696.48/32,210,601.60 = 7,836,642.60/x
  3. Step 3: Cross multiply
    21,486,696.48x = 32,210,601.60 × 7,836,642.60
  4. Step 4: Simplify right side
    21,486,696.48x = 252,422,972,670,188.16
  5. Step 5: Solve for x
    x = 252,422,972,670,188.16/21,486,696.48
  6. Step 6: Final answer
    x = 11,747,872.59

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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.