Home / 15,246,549.72-21,037,493.88-8,631,093.60

Finding the Fourth Proportional to 15,246,549.72, 21,037,493.88 and 8,631,093.60

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Solution

The fourth proportional to 15,246,549.72, 21,037,493.88 and 8,631,093.60 is: 11,909,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,549.72 : 21,037,493.88 = 8,631,093.60 : x
  2. Step 2: Convert to fraction form
    15,246,549.72/21,037,493.88 = 8,631,093.60/x
  3. Step 3: Cross multiply
    15,246,549.72x = 21,037,493.88 × 8,631,093.60
  4. Step 4: Simplify right side
    15,246,549.72x = 181,576,578,787,707.16
  5. Step 5: Solve for x
    x = 181,576,578,787,707.16/15,246,549.72
  6. Step 6: Final answer
    x = 11,909,355.37

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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.