Home / 13,475,531.20-20,213,296.80-4,954,104.40

Finding the Fourth Proportional to 13,475,531.20, 20,213,296.80 and 4,954,104.40

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Solution

The fourth proportional to 13,475,531.20, 20,213,296.80 and 4,954,104.40 is: 7,431,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,531.20 : 20,213,296.80 = 4,954,104.40 : x
  2. Step 2: Convert to fraction form
    13,475,531.20/20,213,296.80 = 4,954,104.40/x
  3. Step 3: Cross multiply
    13,475,531.20x = 20,213,296.80 × 4,954,104.40
  4. Step 4: Simplify right side
    13,475,531.20x = 100,138,782,615,385.94
  5. Step 5: Solve for x
    x = 100,138,782,615,385.94/13,475,531.20
  6. Step 6: Final answer
    x = 7,431,156.60

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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.