Home / 21,068,110.80-31,583,244.60-8,297,326.80

Finding the Fourth Proportional to 21,068,110.80, 31,583,244.60 and 8,297,326.80

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Solution

The fourth proportional to 21,068,110.80, 31,583,244.60 and 8,297,326.80 is: 12,438,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,110.80 : 31,583,244.60 = 8,297,326.80 : x
  2. Step 2: Convert to fraction form
    21,068,110.80/31,583,244.60 = 8,297,326.80/x
  3. Step 3: Cross multiply
    21,068,110.80x = 31,583,244.60 × 8,297,326.80
  4. Step 4: Simplify right side
    21,068,110.80x = 262,056,501,850,535.28
  5. Step 5: Solve for x
    x = 262,056,501,850,535.28/21,068,110.80
  6. Step 6: Final answer
    x = 12,438,538.24

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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.