Home / 20,934,046.80-31,403,143.80-7,285,093.20

Finding the Fourth Proportional to 20,934,046.80, 31,403,143.80 and 7,285,093.20

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Solution

The fourth proportional to 20,934,046.80, 31,403,143.80 and 7,285,093.20 is: 10,928,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,046.80 : 31,403,143.80 = 7,285,093.20 : x
  2. Step 2: Convert to fraction form
    20,934,046.80/31,403,143.80 = 7,285,093.20/x
  3. Step 3: Cross multiply
    20,934,046.80x = 31,403,143.80 × 7,285,093.20
  4. Step 4: Simplify right side
    20,934,046.80x = 228,774,829,356,002.16
  5. Step 5: Solve for x
    x = 228,774,829,356,002.16/20,934,046.80
  6. Step 6: Final answer
    x = 10,928,361.42

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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.