Home / 12,969,503.10-19,453,944.38-4,215,770.66

Finding the Fourth Proportional to 12,969,503.10, 19,453,944.38 and 4,215,770.66

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Solution

The fourth proportional to 12,969,503.10, 19,453,944.38 and 4,215,770.66 is: 6,323,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,503.10 : 19,453,944.38 = 4,215,770.66 : x
  2. Step 2: Convert to fraction form
    12,969,503.10/19,453,944.38 = 4,215,770.66/x
  3. Step 3: Cross multiply
    12,969,503.10x = 19,453,944.38 × 4,215,770.66
  4. Step 4: Simplify right side
    12,969,503.10x = 82,013,367,938,475.89
  5. Step 5: Solve for x
    x = 82,013,367,938,475.89/12,969,503.10
  6. Step 6: Final answer
    x = 6,323,555.14

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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.