Home / 8,256,539.58-12,379,903.64-3,139,343.68

Finding the Fourth Proportional to 8,256,539.58, 12,379,903.64 and 3,139,343.68

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Solution

The fourth proportional to 8,256,539.58, 12,379,903.64 and 3,139,343.68 is: 4,707,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,539.58 : 12,379,903.64 = 3,139,343.68 : x
  2. Step 2: Convert to fraction form
    8,256,539.58/12,379,903.64 = 3,139,343.68/x
  3. Step 3: Cross multiply
    8,256,539.58x = 12,379,903.64 × 3,139,343.68
  4. Step 4: Simplify right side
    8,256,539.58x = 38,864,772,251,243
  5. Step 5: Solve for x
    x = 38,864,772,251,243/8,256,539.58
  6. Step 6: Final answer
    x = 4,707,150.24

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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.