Home / 13,277,840.46-18,323,983.17-7,397,469.42

Finding the Fourth Proportional to 13,277,840.46, 18,323,983.17 and 7,397,469.42

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Solution

The fourth proportional to 13,277,840.46, 18,323,983.17 and 7,397,469.42 is: 10,208,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,840.46 : 18,323,983.17 = 7,397,469.42 : x
  2. Step 2: Convert to fraction form
    13,277,840.46/18,323,983.17 = 7,397,469.42/x
  3. Step 3: Cross multiply
    13,277,840.46x = 18,323,983.17 × 7,397,469.42
  4. Step 4: Simplify right side
    13,277,840.46x = 135,551,105,152,669.67
  5. Step 5: Solve for x
    x = 135,551,105,152,669.67/13,277,840.46
  6. Step 6: Final answer
    x = 10,208,821.65

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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.