Home / 18,964,673.43-28,435,490.46-7,436,329.53

Finding the Fourth Proportional to 18,964,673.43, 28,435,490.46 and 7,436,329.53

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Solution

The fourth proportional to 18,964,673.43, 28,435,490.46 and 7,436,329.53 is: 11,149,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,673.43 : 28,435,490.46 = 7,436,329.53 : x
  2. Step 2: Convert to fraction form
    18,964,673.43/28,435,490.46 = 7,436,329.53/x
  3. Step 3: Cross multiply
    18,964,673.43x = 28,435,490.46 × 7,436,329.53
  4. Step 4: Simplify right side
    18,964,673.43x = 211,455,677,407,731.31
  5. Step 5: Solve for x
    x = 211,455,677,407,731.31/18,964,673.43
  6. Step 6: Final answer
    x = 11,149,977.26

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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.