Home / 30,543,849.69-42,151,344.03-16,606,142.61

Finding the Fourth Proportional to 30,543,849.69, 42,151,344.03 and 16,606,142.61

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Solution

The fourth proportional to 30,543,849.69, 42,151,344.03 and 16,606,142.61 is: 22,916,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,849.69 : 42,151,344.03 = 16,606,142.61 : x
  2. Step 2: Convert to fraction form
    30,543,849.69/42,151,344.03 = 16,606,142.61/x
  3. Step 3: Cross multiply
    30,543,849.69x = 42,151,344.03 × 16,606,142.61
  4. Step 4: Simplify right side
    30,543,849.69x = 699,971,230,165,352.12
  5. Step 5: Solve for x
    x = 699,971,230,165,352.12/30,543,849.69
  6. Step 6: Final answer
    x = 22,916,928.85

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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.