Home / 30,231,700.33-45,340,077.01-12,957,942.39

Finding the Fourth Proportional to 30,231,700.33, 45,340,077.01 and 12,957,942.39

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Solution

The fourth proportional to 30,231,700.33, 45,340,077.01 and 12,957,942.39 is: 19,433,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231,700.33 : 45,340,077.01 = 12,957,942.39 : x
  2. Step 2: Convert to fraction form
    30,231,700.33/45,340,077.01 = 12,957,942.39/x
  3. Step 3: Cross multiply
    30,231,700.33x = 45,340,077.01 × 12,957,942.39
  4. Step 4: Simplify right side
    30,231,700.33x = 587,514,106,047,940.75
  5. Step 5: Solve for x
    x = 587,514,106,047,940.75/30,231,700.33
  6. Step 6: Final answer
    x = 19,433,710.30

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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.