Home / 12,293,027.80-18,439,541.70-5,200,394.20

Finding the Fourth Proportional to 12,293,027.80, 18,439,541.70 and 5,200,394.20

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Solution

The fourth proportional to 12,293,027.80, 18,439,541.70 and 5,200,394.20 is: 7,800,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,027.80 : 18,439,541.70 = 5,200,394.20 : x
  2. Step 2: Convert to fraction form
    12,293,027.80/18,439,541.70 = 5,200,394.20/x
  3. Step 3: Cross multiply
    12,293,027.80x = 18,439,541.70 × 5,200,394.20
  4. Step 4: Simplify right side
    12,293,027.80x = 95,892,885,707,338.14
  5. Step 5: Solve for x
    x = 95,892,885,707,338.14/12,293,027.80
  6. Step 6: Final answer
    x = 7,800,591.30

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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.