Home / 30,718,730.99-42,391,039.34-16,967,399.87

Finding the Fourth Proportional to 30,718,730.99, 42,391,039.34 and 16,967,399.87

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Solution

The fourth proportional to 30,718,730.99, 42,391,039.34 and 16,967,399.87 is: 23,414,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,730.99 : 42,391,039.34 = 16,967,399.87 : x
  2. Step 2: Convert to fraction form
    30,718,730.99/42,391,039.34 = 16,967,399.87/x
  3. Step 3: Cross multiply
    30,718,730.99x = 42,391,039.34 × 16,967,399.87
  4. Step 4: Simplify right side
    30,718,730.99x = 719,265,715,089,888.62
  5. Step 5: Solve for x
    x = 719,265,715,089,888.62/30,718,730.99
  6. Step 6: Final answer
    x = 23,414,564.73

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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.