Home / 13,277,839.46-18,323,981.79-7,397,468.42

Finding the Fourth Proportional to 13,277,839.46, 18,323,981.79 and 7,397,468.42

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Solution

The fourth proportional to 13,277,839.46, 18,323,981.79 and 7,397,468.42 is: 10,208,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,839.46 : 18,323,981.79 = 7,397,468.42 : x
  2. Step 2: Convert to fraction form
    13,277,839.46/18,323,981.79 = 7,397,468.42/x
  3. Step 3: Cross multiply
    13,277,839.46x = 18,323,981.79 × 7,397,468.42
  4. Step 4: Simplify right side
    13,277,839.46x = 135,551,076,620,180.06
  5. Step 5: Solve for x
    x = 135,551,076,620,180.06/13,277,839.46
  6. Step 6: Final answer
    x = 10,208,820.27

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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.