Home / 7,838,291.21-11,761,288.67-3,523,390.10

Finding the Fourth Proportional to 7,838,291.21, 11,761,288.67 and 3,523,390.10

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Solution

The fourth proportional to 7,838,291.21, 11,761,288.67 and 3,523,390.10 is: 5,286,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,291.21 : 11,761,288.67 = 3,523,390.10 : x
  2. Step 2: Convert to fraction form
    7,838,291.21/11,761,288.67 = 3,523,390.10/x
  3. Step 3: Cross multiply
    7,838,291.21x = 11,761,288.67 × 3,523,390.10
  4. Step 4: Simplify right side
    7,838,291.21x = 41,439,608,080,397.88
  5. Step 5: Solve for x
    x = 41,439,608,080,397.88/7,838,291.21
  6. Step 6: Final answer
    x = 5,286,816.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.