Home / 15,800,463.38-21,804,639.48-8,557,119.38

Finding the Fourth Proportional to 15,800,463.38, 21,804,639.48 and 8,557,119.38

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Solution

The fourth proportional to 15,800,463.38, 21,804,639.48 and 8,557,119.38 is: 11,808,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,463.38 : 21,804,639.48 = 8,557,119.38 : x
  2. Step 2: Convert to fraction form
    15,800,463.38/21,804,639.48 = 8,557,119.38/x
  3. Step 3: Cross multiply
    15,800,463.38x = 21,804,639.48 × 8,557,119.38
  4. Step 4: Simplify right side
    15,800,463.38x = 186,584,902,959,197.94
  5. Step 5: Solve for x
    x = 186,584,902,959,197.94/15,800,463.38
  6. Step 6: Final answer
    x = 11,808,824.75

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Double scale
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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.