Home / 7,102,181.72-9,801,011.13-3,838,985.75

Finding the Fourth Proportional to 7,102,181.72, 9,801,011.13 and 3,838,985.75

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Solution

The fourth proportional to 7,102,181.72, 9,801,011.13 and 3,838,985.75 is: 5,297,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,181.72 : 9,801,011.13 = 3,838,985.75 : x
  2. Step 2: Convert to fraction form
    7,102,181.72/9,801,011.13 = 3,838,985.75/x
  3. Step 3: Cross multiply
    7,102,181.72x = 9,801,011.13 × 3,838,985.75
  4. Step 4: Simplify right side
    7,102,181.72x = 37,625,942,063,661.40
  5. Step 5: Solve for x
    x = 37,625,942,063,661.40/7,102,181.72
  6. Step 6: Final answer
    x = 5,297,800.53

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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.