Home / 15,180,849.05-20,949,807.89-8,305,445.93

Finding the Fourth Proportional to 15,180,849.05, 20,949,807.89 and 8,305,445.93

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Solution

The fourth proportional to 15,180,849.05, 20,949,807.89 and 8,305,445.93 is: 11,461,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180,849.05 : 20,949,807.89 = 8,305,445.93 : x
  2. Step 2: Convert to fraction form
    15,180,849.05/20,949,807.89 = 8,305,445.93/x
  3. Step 3: Cross multiply
    15,180,849.05x = 20,949,807.89 × 8,305,445.93
  4. Step 4: Simplify right side
    15,180,849.05x = 173,997,496,632,755.16
  5. Step 5: Solve for x
    x = 173,997,496,632,755.16/15,180,849.05
  6. Step 6: Final answer
    x = 11,461,644.61

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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.