Home / 8,537,835.78-12,807,650.58-2,781,018

Finding the Fourth Proportional to 8,537,835.78, 12,807,650.58 and 2,781,018

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Solution

The fourth proportional to 8,537,835.78, 12,807,650.58 and 2,781,018 is: 4,171,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,835.78 : 12,807,650.58 = 2,781,018 : x
  2. Step 2: Convert to fraction form
    8,537,835.78/12,807,650.58 = 2,781,018/x
  3. Step 3: Cross multiply
    8,537,835.78x = 12,807,650.58 × 2,781,018
  4. Step 4: Simplify right side
    8,537,835.78x = 35,618,306,800,690.44
  5. Step 5: Solve for x
    x = 35,618,306,800,690.44/8,537,835.78
  6. Step 6: Final answer
    x = 4,171,819.15

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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.