Home / 7,166,032.75-9,888,977.57-3,902,904.82

Finding the Fourth Proportional to 7,166,032.75, 9,888,977.57 and 3,902,904.82

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Solution

The fourth proportional to 7,166,032.75, 9,888,977.57 and 3,902,904.82 is: 5,385,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,032.75 : 9,888,977.57 = 3,902,904.82 : x
  2. Step 2: Convert to fraction form
    7,166,032.75/9,888,977.57 = 3,902,904.82/x
  3. Step 3: Cross multiply
    7,166,032.75x = 9,888,977.57 × 3,902,904.82
  4. Step 4: Simplify right side
    7,166,032.75x = 38,595,738,222,824.89
  5. Step 5: Solve for x
    x = 38,595,738,222,824.89/7,166,032.75
  6. Step 6: Final answer
    x = 5,385,928.25

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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.