Home / 8,938,276.80-13,407,415.20-2,954,644.80

Finding the Fourth Proportional to 8,938,276.80, 13,407,415.20 and 2,954,644.80

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Solution

The fourth proportional to 8,938,276.80, 13,407,415.20 and 2,954,644.80 is: 4,431,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,276.80 : 13,407,415.20 = 2,954,644.80 : x
  2. Step 2: Convert to fraction form
    8,938,276.80/13,407,415.20 = 2,954,644.80/x
  3. Step 3: Cross multiply
    8,938,276.80x = 13,407,415.20 × 2,954,644.80
  4. Step 4: Simplify right side
    8,938,276.80x = 39,614,149,602,120.95
  5. Step 5: Solve for x
    x = 39,614,149,602,120.95/8,938,276.80
  6. Step 6: Final answer
    x = 4,431,967.20

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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.