Home / 30,806,090.30-42,512,414.93-16,868,326.95

Finding the Fourth Proportional to 30,806,090.30, 42,512,414.93 and 16,868,326.95

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Solution

The fourth proportional to 30,806,090.30, 42,512,414.93 and 16,868,326.95 is: 23,278,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806,090.30 : 42,512,414.93 = 16,868,326.95 : x
  2. Step 2: Convert to fraction form
    30,806,090.30/42,512,414.93 = 16,868,326.95/x
  3. Step 3: Cross multiply
    30,806,090.30x = 42,512,414.93 × 16,868,326.95
  4. Step 4: Simplify right side
    30,806,090.30x = 717,113,314,452,216
  5. Step 5: Solve for x
    x = 717,113,314,452,216/30,806,090.30
  6. Step 6: Final answer
    x = 23,278,296.84

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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.