Home / 30,691,735.31-42,354,598.38-16,940,703.08

Finding the Fourth Proportional to 30,691,735.31, 42,354,598.38 and 16,940,703.08

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Solution

The fourth proportional to 30,691,735.31, 42,354,598.38 and 16,940,703.08 is: 23,378,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691,735.31 : 42,354,598.38 = 16,940,703.08 : x
  2. Step 2: Convert to fraction form
    30,691,735.31/42,354,598.38 = 16,940,703.08/x
  3. Step 3: Cross multiply
    30,691,735.31x = 42,354,598.38 × 16,940,703.08
  4. Step 4: Simplify right side
    30,691,735.31x = 717,516,675,270,587.88
  5. Step 5: Solve for x
    x = 717,516,675,270,587.88/30,691,735.31
  6. Step 6: Final answer
    x = 23,378,172.27

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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.