Home / 7,102,181.72-9,801,011.14-3,838,985.76

Finding the Fourth Proportional to 7,102,181.72, 9,801,011.14 and 3,838,985.76

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Solution

The fourth proportional to 7,102,181.72, 9,801,011.14 and 3,838,985.76 is: 5,297,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,181.72 : 9,801,011.14 = 3,838,985.76 : x
  2. Step 2: Convert to fraction form
    7,102,181.72/9,801,011.14 = 3,838,985.76/x
  3. Step 3: Cross multiply
    7,102,181.72x = 9,801,011.14 × 3,838,985.76
  4. Step 4: Simplify right side
    7,102,181.72x = 37,625,942,200,061.37
  5. Step 5: Solve for x
    x = 37,625,942,200,061.37/7,102,181.72
  6. Step 6: Final answer
    x = 5,297,800.55

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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.