Home / 15,621,910.38-21,557,995.56-8,746,638.48

Finding the Fourth Proportional to 15,621,910.38, 21,557,995.56 and 8,746,638.48

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Solution

The fourth proportional to 15,621,910.38, 21,557,995.56 and 8,746,638.48 is: 12,070,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621,910.38 : 21,557,995.56 = 8,746,638.48 : x
  2. Step 2: Convert to fraction form
    15,621,910.38/21,557,995.56 = 8,746,638.48/x
  3. Step 3: Cross multiply
    15,621,910.38x = 21,557,995.56 × 8,746,638.48
  4. Step 4: Simplify right side
    15,621,910.38x = 188,559,993,516,765.16
  5. Step 5: Solve for x
    x = 188,559,993,516,765.16/15,621,910.38
  6. Step 6: Final answer
    x = 12,070,226.30

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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.