Home / 13,151,378.58-18,148,120.52-7,270,660.73

Finding the Fourth Proportional to 13,151,378.58, 18,148,120.52 and 7,270,660.73

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Solution

The fourth proportional to 13,151,378.58, 18,148,120.52 and 7,270,660.73 is: 10,033,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,378.58 : 18,148,120.52 = 7,270,660.73 : x
  2. Step 2: Convert to fraction form
    13,151,378.58/18,148,120.52 = 7,270,660.73/x
  3. Step 3: Cross multiply
    13,151,378.58x = 18,148,120.52 × 7,270,660.73
  4. Step 4: Simplify right side
    13,151,378.58x = 131,948,827,060,977.27
  5. Step 5: Solve for x
    x = 131,948,827,060,977.27/13,151,378.58
  6. Step 6: Final answer
    x = 10,033,079.52

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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.