Home / 13,185,995.76-19,743,557.04-8,367,597.36

Finding the Fourth Proportional to 13,185,995.76, 19,743,557.04 and 8,367,597.36

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Solution

The fourth proportional to 13,185,995.76, 19,743,557.04 and 8,367,597.36 is: 12,528,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,995.76 : 19,743,557.04 = 8,367,597.36 : x
  2. Step 2: Convert to fraction form
    13,185,995.76/19,743,557.04 = 8,367,597.36/x
  3. Step 3: Cross multiply
    13,185,995.76x = 19,743,557.04 × 8,367,597.36
  4. Step 4: Simplify right side
    13,185,995.76x = 165,206,135,764,913.41
  5. Step 5: Solve for x
    x = 165,206,135,764,913.41/13,185,995.76
  6. Step 6: Final answer
    x = 12,528,908.61

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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.