Home / 30,940,093.10-42,694,829.03-17,888,193.29

Finding the Fourth Proportional to 30,940,093.10, 42,694,829.03 and 17,888,193.29

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Solution

The fourth proportional to 30,940,093.10, 42,694,829.03 and 17,888,193.29 is: 24,684,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,093.10 : 42,694,829.03 = 17,888,193.29 : x
  2. Step 2: Convert to fraction form
    30,940,093.10/42,694,829.03 = 17,888,193.29/x
  3. Step 3: Cross multiply
    30,940,093.10x = 42,694,829.03 × 17,888,193.29
  4. Step 4: Simplify right side
    30,940,093.10x = 763,733,354,323,600.75
  5. Step 5: Solve for x
    x = 763,733,354,323,600.75/30,940,093.10
  6. Step 6: Final answer
    x = 24,684,261.67

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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.