Home / 7,338,078.40-11,008,429.80-3,078,677.20

Finding the Fourth Proportional to 7,338,078.40, 11,008,429.80 and 3,078,677.20

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Solution

The fourth proportional to 7,338,078.40, 11,008,429.80 and 3,078,677.20 is: 4,618,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,078.40 : 11,008,429.80 = 3,078,677.20 : x
  2. Step 2: Convert to fraction form
    7,338,078.40/11,008,429.80 = 3,078,677.20/x
  3. Step 3: Cross multiply
    7,338,078.40x = 11,008,429.80 × 3,078,677.20
  4. Step 4: Simplify right side
    7,338,078.40x = 33,891,401,833,060.56
  5. Step 5: Solve for x
    x = 33,891,401,833,060.56/7,338,078.40
  6. Step 6: Final answer
    x = 4,618,566.33

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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.