Home / 21,811,820.58-30,098,542.68-12,645,053.82

Finding the Fourth Proportional to 21,811,820.58, 30,098,542.68 and 12,645,053.82

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Solution

The fourth proportional to 21,811,820.58, 30,098,542.68 and 12,645,053.82 is: 17,449,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,820.58 : 30,098,542.68 = 12,645,053.82 : x
  2. Step 2: Convert to fraction form
    21,811,820.58/30,098,542.68 = 12,645,053.82/x
  3. Step 3: Cross multiply
    21,811,820.58x = 30,098,542.68 × 12,645,053.82
  4. Step 4: Simplify right side
    21,811,820.58x = 380,597,692,092,167.06
  5. Step 5: Solve for x
    x = 380,597,692,092,167.06/21,811,820.58
  6. Step 6: Final answer
    x = 17,449,148.30

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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.