Home / 8,161,296.40-12,227,947.80-3,892,272.40

Finding the Fourth Proportional to 8,161,296.40, 12,227,947.80 and 3,892,272.40

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Solution

The fourth proportional to 8,161,296.40, 12,227,947.80 and 3,892,272.40 is: 5,831,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,296.40 : 12,227,947.80 = 3,892,272.40 : x
  2. Step 2: Convert to fraction form
    8,161,296.40/12,227,947.80 = 3,892,272.40/x
  3. Step 3: Cross multiply
    8,161,296.40x = 12,227,947.80 × 3,892,272.40
  4. Step 4: Simplify right side
    8,161,296.40x = 47,594,503,730,580.72
  5. Step 5: Solve for x
    x = 47,594,503,730,580.72/8,161,296.40
  6. Step 6: Final answer
    x = 5,831,733.27

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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.