Home / 13,753,743.40-20,639,946.30-8,949,730.60

Finding the Fourth Proportional to 13,753,743.40, 20,639,946.30 and 8,949,730.60

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Solution

The fourth proportional to 13,753,743.40, 20,639,946.30 and 8,949,730.60 is: 13,430,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,743.40 : 20,639,946.30 = 8,949,730.60 : x
  2. Step 2: Convert to fraction form
    13,753,743.40/20,639,946.30 = 8,949,730.60/x
  3. Step 3: Cross multiply
    13,753,743.40x = 20,639,946.30 × 8,949,730.60
  4. Step 4: Simplify right side
    13,753,743.40x = 184,721,958,983,466.78
  5. Step 5: Solve for x
    x = 184,721,958,983,466.78/13,753,743.40
  6. Step 6: Final answer
    x = 13,430,667.83

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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.