Home / 7,166,017.32-9,888,956.28-3,902,889.39

Finding the Fourth Proportional to 7,166,017.32, 9,888,956.28 and 3,902,889.39

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Solution

The fourth proportional to 7,166,017.32, 9,888,956.28 and 3,902,889.39 is: 5,385,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,017.32 : 9,888,956.28 = 3,902,889.39 : x
  2. Step 2: Convert to fraction form
    7,166,017.32/9,888,956.28 = 3,902,889.39/x
  3. Step 3: Cross multiply
    7,166,017.32x = 9,888,956.28 × 3,902,889.39
  4. Step 4: Simplify right side
    7,166,017.32x = 38,595,502,543,385.87
  5. Step 5: Solve for x
    x = 38,595,502,543,385.87/7,166,017.32
  6. Step 6: Final answer
    x = 5,385,906.96

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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.