Home / 12,297,885.40-18,404,837.70-11,290,115.80

Finding the Fourth Proportional to 12,297,885.40, 18,404,837.70 and 11,290,115.80

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Solution

The fourth proportional to 12,297,885.40, 18,404,837.70 and 11,290,115.80 is: 16,896,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,885.40 : 18,404,837.70 = 11,290,115.80 : x
  2. Step 2: Convert to fraction form
    12,297,885.40/18,404,837.70 = 11,290,115.80/x
  3. Step 3: Cross multiply
    12,297,885.40x = 18,404,837.70 × 11,290,115.80
  4. Step 4: Simplify right side
    12,297,885.40x = 207,792,748,913,205.66
  5. Step 5: Solve for x
    x = 207,792,748,913,205.66/12,297,885.40
  6. Step 6: Final answer
    x = 16,896,624.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.