Home / 21,851,595.12-30,155,031.30-12,062,042.44

Finding the Fourth Proportional to 21,851,595.12, 30,155,031.30 and 12,062,042.44

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Solution

The fourth proportional to 21,851,595.12, 30,155,031.30 and 12,062,042.44 is: 16,645,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,595.12 : 30,155,031.30 = 12,062,042.44 : x
  2. Step 2: Convert to fraction form
    21,851,595.12/30,155,031.30 = 12,062,042.44/x
  3. Step 3: Cross multiply
    21,851,595.12x = 30,155,031.30 × 12,062,042.44
  4. Step 4: Simplify right side
    21,851,595.12x = 363,731,267,320,128.38
  5. Step 5: Solve for x
    x = 363,731,267,320,128.38/21,851,595.12
  6. Step 6: Final answer
    x = 16,645,524.75

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1.5x scale

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.