Home / 40,476,939.90-55,858,250.57-22,142,225.40

Finding the Fourth Proportional to 40,476,939.90, 55,858,250.57 and 22,142,225.40

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Solution

The fourth proportional to 40,476,939.90, 55,858,250.57 and 22,142,225.40 is: 30,556,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,939.90 : 55,858,250.57 = 22,142,225.40 : x
  2. Step 2: Convert to fraction form
    40,476,939.90/55,858,250.57 = 22,142,225.40/x
  3. Step 3: Cross multiply
    40,476,939.90x = 55,858,250.57 × 22,142,225.40
  4. Step 4: Simplify right side
    40,476,939.90x = 1,236,825,974,459,907.25
  5. Step 5: Solve for x
    x = 1,236,825,974,459,907.25/40,476,939.90
  6. Step 6: Final answer
    x = 30,556,311.26

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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.