Home / 7,166,019.32-9,888,959.04-3,902,891.39

Finding the Fourth Proportional to 7,166,019.32, 9,888,959.04 and 3,902,891.39

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Solution

The fourth proportional to 7,166,019.32, 9,888,959.04 and 3,902,891.39 is: 5,385,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,019.32 : 9,888,959.04 = 3,902,891.39 : x
  2. Step 2: Convert to fraction form
    7,166,019.32/9,888,959.04 = 3,902,891.39/x
  3. Step 3: Cross multiply
    7,166,019.32x = 9,888,959.04 × 3,902,891.39
  4. Step 4: Simplify right side
    7,166,019.32x = 38,595,533,093,278.66
  5. Step 5: Solve for x
    x = 38,595,533,093,278.66/7,166,019.32
  6. Step 6: Final answer
    x = 5,385,909.72

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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.