Home / 8,640,633.60-12,954,729.60-4,855,276.80

Finding the Fourth Proportional to 8,640,633.60, 12,954,729.60 and 4,855,276.80

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Solution

The fourth proportional to 8,640,633.60, 12,954,729.60 and 4,855,276.80 is: 7,279,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,633.60 : 12,954,729.60 = 4,855,276.80 : x
  2. Step 2: Convert to fraction form
    8,640,633.60/12,954,729.60 = 4,855,276.80/x
  3. Step 3: Cross multiply
    8,640,633.60x = 12,954,729.60 × 4,855,276.80
  4. Step 4: Simplify right side
    8,640,633.60x = 62,898,798,077,153.27
  5. Step 5: Solve for x
    x = 62,898,798,077,153.27/8,640,633.60
  6. Step 6: Final answer
    x = 7,279,419.66

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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.