Home / 8,256,407.52-12,379,705.08-3,139,212.06

Finding the Fourth Proportional to 8,256,407.52, 12,379,705.08 and 3,139,212.06

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Solution

The fourth proportional to 8,256,407.52, 12,379,705.08 and 3,139,212.06 is: 4,706,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,407.52 : 12,379,705.08 = 3,139,212.06 : x
  2. Step 2: Convert to fraction form
    8,256,407.52/12,379,705.08 = 3,139,212.06/x
  3. Step 3: Cross multiply
    8,256,407.52x = 12,379,705.08 × 3,139,212.06
  4. Step 4: Simplify right side
    8,256,407.52x = 38,862,519,486,379.27
  5. Step 5: Solve for x
    x = 38,862,519,486,379.27/8,256,407.52
  6. Step 6: Final answer
    x = 4,706,952.68

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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.