Home / 8,537,618.62-12,807,325.05-2,780,800.54

Finding the Fourth Proportional to 8,537,618.62, 12,807,325.05 and 2,780,800.54

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Solution

The fourth proportional to 8,537,618.62, 12,807,325.05 and 2,780,800.54 is: 4,171,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,618.62 : 12,807,325.05 = 2,780,800.54 : x
  2. Step 2: Convert to fraction form
    8,537,618.62/12,807,325.05 = 2,780,800.54/x
  3. Step 3: Cross multiply
    8,537,618.62x = 12,807,325.05 × 2,780,800.54
  4. Step 4: Simplify right side
    8,537,618.62x = 35,614,616,414,995.53
  5. Step 5: Solve for x
    x = 35,614,616,414,995.53/8,537,618.62
  6. Step 6: Final answer
    x = 4,171,493.01

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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.