Home / 31,135,232.63-46,703,015.69-20,420,385.14

Finding the Fourth Proportional to 31,135,232.63, 46,703,015.69 and 20,420,385.14

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Solution

The fourth proportional to 31,135,232.63, 46,703,015.69 and 20,420,385.14 is: 30,630,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135,232.63 : 46,703,015.69 = 20,420,385.14 : x
  2. Step 2: Convert to fraction form
    31,135,232.63/46,703,015.69 = 20,420,385.14/x
  3. Step 3: Cross multiply
    31,135,232.63x = 46,703,015.69 × 20,420,385.14
  4. Step 4: Simplify right side
    31,135,232.63x = 953,693,567,253,646
  5. Step 5: Solve for x
    x = 953,693,567,253,646/31,135,232.63
  6. Step 6: Final answer
    x = 30,630,687.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.