Home / 15,339,249.60-21,168,604.08-8,464,174.56

Finding the Fourth Proportional to 15,339,249.60, 21,168,604.08 and 8,464,174.56

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Solution

The fourth proportional to 15,339,249.60, 21,168,604.08 and 8,464,174.56 is: 11,680,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339,249.60 : 21,168,604.08 = 8,464,174.56 : x
  2. Step 2: Convert to fraction form
    15,339,249.60/21,168,604.08 = 8,464,174.56/x
  3. Step 3: Cross multiply
    15,339,249.60x = 21,168,604.08 × 8,464,174.56
  4. Step 4: Simplify right side
    15,339,249.60x = 179,174,760,124,648.19
  5. Step 5: Solve for x
    x = 179,174,760,124,648.19/15,339,249.60
  6. Step 6: Final answer
    x = 11,680,803.48

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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.