Home / 30,887,813.75-42,625,066.01-16,949,402.07

Finding the Fourth Proportional to 30,887,813.75, 42,625,066.01 and 16,949,402.07

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Solution

The fourth proportional to 30,887,813.75, 42,625,066.01 and 16,949,402.07 is: 23,390,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887,813.75 : 42,625,066.01 = 16,949,402.07 : x
  2. Step 2: Convert to fraction form
    30,887,813.75/42,625,066.01 = 16,949,402.07/x
  3. Step 3: Cross multiply
    30,887,813.75x = 42,625,066.01 × 16,949,402.07
  4. Step 4: Simplify right side
    30,887,813.75x = 722,469,381,914,530
  5. Step 5: Solve for x
    x = 722,469,381,914,530/30,887,813.75
  6. Step 6: Final answer
    x = 23,390,110.67

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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.