Home / 15,800,466.38-21,804,643.62-8,557,122.38

Finding the Fourth Proportional to 15,800,466.38, 21,804,643.62 and 8,557,122.38

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Solution

The fourth proportional to 15,800,466.38, 21,804,643.62 and 8,557,122.38 is: 11,808,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,466.38 : 21,804,643.62 = 8,557,122.38 : x
  2. Step 2: Convert to fraction form
    15,800,466.38/21,804,643.62 = 8,557,122.38/x
  3. Step 3: Cross multiply
    15,800,466.38x = 21,804,643.62 × 8,557,122.38
  4. Step 4: Simplify right side
    15,800,466.38x = 186,585,003,799,603
  5. Step 5: Solve for x
    x = 186,585,003,799,603/15,800,466.38
  6. Step 6: Final answer
    x = 11,808,828.89

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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.