Home / 22,679,267.22-31,297,905.09-12,888,168.66

Finding the Fourth Proportional to 22,679,267.22, 31,297,905.09 and 12,888,168.66

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Solution

The fourth proportional to 22,679,267.22, 31,297,905.09 and 12,888,168.66 is: 17,785,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679,267.22 : 31,297,905.09 = 12,888,168.66 : x
  2. Step 2: Convert to fraction form
    22,679,267.22/31,297,905.09 = 12,888,168.66/x
  3. Step 3: Cross multiply
    22,679,267.22x = 31,297,905.09 × 12,888,168.66
  4. Step 4: Simplify right side
    22,679,267.22x = 403,372,679,504,592.50
  5. Step 5: Solve for x
    x = 403,372,679,504,592.50/22,679,267.22
  6. Step 6: Final answer
    x = 17,785,966.17

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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.