Home / 40,476,938.40-55,858,248.50-22,142,223.90

Finding the Fourth Proportional to 40,476,938.40, 55,858,248.50 and 22,142,223.90

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Solution

The fourth proportional to 40,476,938.40, 55,858,248.50 and 22,142,223.90 is: 30,556,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476,938.40 : 55,858,248.50 = 22,142,223.90 : x
  2. Step 2: Convert to fraction form
    40,476,938.40/55,858,248.50 = 22,142,223.90/x
  3. Step 3: Cross multiply
    40,476,938.40x = 55,858,248.50 × 22,142,223.90
  4. Step 4: Simplify right side
    40,476,938.40x = 1,236,825,844,838,128
  5. Step 5: Solve for x
    x = 1,236,825,844,838,128/40,476,938.40
  6. Step 6: Final answer
    x = 30,556,309.19

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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.