Home / 40,476,931.70-55,858,239.23-22,142,217.20

Finding the Fourth Proportional to 40,476,931.70, 55,858,239.23 and 22,142,217.20

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Solution

The fourth proportional to 40,476,931.70, 55,858,239.23 and 22,142,217.20 is: 30,556,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,931.70 : 55,858,239.23 = 22,142,217.20 : x
  2. Step 2: Convert to fraction form
    40,476,931.70/55,858,239.23 = 22,142,217.20/x
  3. Step 3: Cross multiply
    40,476,931.70x = 55,858,239.23 × 22,142,217.20
  4. Step 4: Simplify right side
    40,476,931.70x = 1,236,825,265,050,218.50
  5. Step 5: Solve for x
    x = 1,236,825,265,050,218.50/40,476,931.70
  6. Step 6: Final answer
    x = 30,556,299.93

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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.