Home / 28,230,770.45-42,348,179.71-11,819,540.22

Finding the Fourth Proportional to 28,230,770.45, 42,348,179.71 and 11,819,540.22

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Solution

The fourth proportional to 28,230,770.45, 42,348,179.71 and 11,819,540.22 is: 17,730,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,770.45 : 42,348,179.71 = 11,819,540.22 : x
  2. Step 2: Convert to fraction form
    28,230,770.45/42,348,179.71 = 11,819,540.22/x
  3. Step 3: Cross multiply
    28,230,770.45x = 42,348,179.71 × 11,819,540.22
  4. Step 4: Simplify right side
    28,230,770.45x = 500,536,013,182,101.69
  5. Step 5: Solve for x
    x = 500,536,013,182,101.69/28,230,770.45
  6. Step 6: Final answer
    x = 17,730,157.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.