Home / 13,677,880.80-20,516,821.20-13,478,815.20

Finding the Fourth Proportional to 13,677,880.80, 20,516,821.20 and 13,478,815.20

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Solution

The fourth proportional to 13,677,880.80, 20,516,821.20 and 13,478,815.20 is: 20,218,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677,880.80 : 20,516,821.20 = 13,478,815.20 : x
  2. Step 2: Convert to fraction form
    13,677,880.80/20,516,821.20 = 13,478,815.20/x
  3. Step 3: Cross multiply
    13,677,880.80x = 20,516,821.20 × 13,478,815.20
  4. Step 4: Simplify right side
    13,677,880.80x = 276,542,441,446,242.22
  5. Step 5: Solve for x
    x = 276,542,441,446,242.22/13,677,880.80
  6. Step 6: Final answer
    x = 20,218,222.80

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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.