Home / 14,178,175.80-21,283,010.10-7,800,883.80

Finding the Fourth Proportional to 14,178,175.80, 21,283,010.10 and 7,800,883.80

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Solution

The fourth proportional to 14,178,175.80, 21,283,010.10 and 7,800,883.80 is: 11,709,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,175.80 : 21,283,010.10 = 7,800,883.80 : x
  2. Step 2: Convert to fraction form
    14,178,175.80/21,283,010.10 = 7,800,883.80/x
  3. Step 3: Cross multiply
    14,178,175.80x = 21,283,010.10 × 7,800,883.80
  4. Step 4: Simplify right side
    14,178,175.80x = 166,026,288,704,326.38
  5. Step 5: Solve for x
    x = 166,026,288,704,326.38/14,178,175.80
  6. Step 6: Final answer
    x = 11,709,989.43

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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.