Home / 11,663,942.60-17,495,913.90-3,145,140.20

Finding the Fourth Proportional to 11,663,942.60, 17,495,913.90 and 3,145,140.20

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Solution

The fourth proportional to 11,663,942.60, 17,495,913.90 and 3,145,140.20 is: 4,717,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663,942.60 : 17,495,913.90 = 3,145,140.20 : x
  2. Step 2: Convert to fraction form
    11,663,942.60/17,495,913.90 = 3,145,140.20/x
  3. Step 3: Cross multiply
    11,663,942.60x = 17,495,913.90 × 3,145,140.20
  4. Step 4: Simplify right side
    11,663,942.60x = 55,027,102,142,628.78
  5. Step 5: Solve for x
    x = 55,027,102,142,628.78/11,663,942.60
  6. Step 6: Final answer
    x = 4,717,710.30

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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.