Home / 13,939,891.20-20,910,873.60-4,963,276.80

Finding the Fourth Proportional to 13,939,891.20, 20,910,873.60 and 4,963,276.80

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Solution

The fourth proportional to 13,939,891.20, 20,910,873.60 and 4,963,276.80 is: 7,445,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939,891.20 : 20,910,873.60 = 4,963,276.80 : x
  2. Step 2: Convert to fraction form
    13,939,891.20/20,910,873.60 = 4,963,276.80/x
  3. Step 3: Cross multiply
    13,939,891.20x = 20,910,873.60 × 4,963,276.80
  4. Step 4: Simplify right side
    13,939,891.20x = 103,786,453,806,612.48
  5. Step 5: Solve for x
    x = 103,786,453,806,612.48/13,939,891.20
  6. Step 6: Final answer
    x = 7,445,284.35

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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.