Home / 12,778,532.46-17,634,286.44-6,977,310.84

Finding the Fourth Proportional to 12,778,532.46, 17,634,286.44 and 6,977,310.84

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Solution

The fourth proportional to 12,778,532.46, 17,634,286.44 and 6,977,310.84 is: 9,628,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,532.46 : 17,634,286.44 = 6,977,310.84 : x
  2. Step 2: Convert to fraction form
    12,778,532.46/17,634,286.44 = 6,977,310.84/x
  3. Step 3: Cross multiply
    12,778,532.46x = 17,634,286.44 × 6,977,310.84
  4. Step 4: Simplify right side
    12,778,532.46x = 123,039,897,933,477.02
  5. Step 5: Solve for x
    x = 123,039,897,933,477.02/12,778,532.46
  6. Step 6: Final answer
    x = 9,628,640.72

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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.