Home / 13,185,121.32-19,780,749.27-4,086,736.61

Finding the Fourth Proportional to 13,185,121.32, 19,780,749.27 and 4,086,736.61

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Solution

The fourth proportional to 13,185,121.32, 19,780,749.27 and 4,086,736.61 is: 6,131,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,121.32 : 19,780,749.27 = 4,086,736.61 : x
  2. Step 2: Convert to fraction form
    13,185,121.32/19,780,749.27 = 4,086,736.61/x
  3. Step 3: Cross multiply
    13,185,121.32x = 19,780,749.27 × 4,086,736.61
  4. Step 4: Simplify right side
    13,185,121.32x = 80,838,712,116,036.03
  5. Step 5: Solve for x
    x = 80,838,712,116,036.03/13,185,121.32
  6. Step 6: Final answer
    x = 6,131,055.62

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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.