Home / 15,277,216.96-21,082,138.59-8,401,698.28

Finding the Fourth Proportional to 15,277,216.96, 21,082,138.59 and 8,401,698.28

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Solution

The fourth proportional to 15,277,216.96, 21,082,138.59 and 8,401,698.28 is: 11,594,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,216.96 : 21,082,138.59 = 8,401,698.28 : x
  2. Step 2: Convert to fraction form
    15,277,216.96/21,082,138.59 = 8,401,698.28/x
  3. Step 3: Cross multiply
    15,277,216.96x = 21,082,138.59 × 8,401,698.28
  4. Step 4: Simplify right side
    15,277,216.96x = 177,125,767,540,924.12
  5. Step 5: Solve for x
    x = 177,125,767,540,924.12/15,277,216.96
  6. Step 6: Final answer
    x = 11,594,112.20

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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.