Home / 30,450,813.17-42,003,508.03-18,052,600.82

Finding the Fourth Proportional to 30,450,813.17, 42,003,508.03 and 18,052,600.82

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Solution

The fourth proportional to 30,450,813.17, 42,003,508.03 and 18,052,600.82 is: 24,901,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450,813.17 : 42,003,508.03 = 18,052,600.82 : x
  2. Step 2: Convert to fraction form
    30,450,813.17/42,003,508.03 = 18,052,600.82/x
  3. Step 3: Cross multiply
    30,450,813.17x = 42,003,508.03 × 18,052,600.82
  4. Step 4: Simplify right side
    30,450,813.17x = 758,272,563,250,105.62
  5. Step 5: Solve for x
    x = 758,272,563,250,105.62/30,450,813.17
  6. Step 6: Final answer
    x = 24,901,553.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.