Home / 15,363,505.49-21,201,660.39-8,748,099.33

Finding the Fourth Proportional to 15,363,505.49, 21,201,660.39 and 8,748,099.33

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Solution

The fourth proportional to 15,363,505.49, 21,201,660.39 and 8,748,099.33 is: 12,072,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,505.49 : 21,201,660.39 = 8,748,099.33 : x
  2. Step 2: Convert to fraction form
    15,363,505.49/21,201,660.39 = 8,748,099.33/x
  3. Step 3: Cross multiply
    15,363,505.49x = 21,201,660.39 × 8,748,099.33
  4. Step 4: Simplify right side
    15,363,505.49x = 185,474,231,052,646.53
  5. Step 5: Solve for x
    x = 185,474,231,052,646.53/15,363,505.49
  6. Step 6: Final answer
    x = 12,072,390.07

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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.