Home / 15,316,121.31-21,136,690.32-8,441,046.24

Finding the Fourth Proportional to 15,316,121.31, 21,136,690.32 and 8,441,046.24

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Solution

The fourth proportional to 15,316,121.31, 21,136,690.32 and 8,441,046.24 is: 11,648,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,121.31 : 21,136,690.32 = 8,441,046.24 : x
  2. Step 2: Convert to fraction form
    15,316,121.31/21,136,690.32 = 8,441,046.24/x
  3. Step 3: Cross multiply
    15,316,121.31x = 21,136,690.32 × 8,441,046.24
  4. Step 4: Simplify right side
    15,316,121.31x = 178,415,780,351,680.41
  5. Step 5: Solve for x
    x = 178,415,780,351,680.41/15,316,121.31
  6. Step 6: Final answer
    x = 11,648,887.91

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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.