Home / 13,855,969.80-20,784,429.90-4,271,272.20

Finding the Fourth Proportional to 13,855,969.80, 20,784,429.90 and 4,271,272.20

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Solution

The fourth proportional to 13,855,969.80, 20,784,429.90 and 4,271,272.20 is: 6,407,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,969.80 : 20,784,429.90 = 4,271,272.20 : x
  2. Step 2: Convert to fraction form
    13,855,969.80/20,784,429.90 = 4,271,272.20/x
  3. Step 3: Cross multiply
    13,855,969.80x = 20,784,429.90 × 4,271,272.20
  4. Step 4: Simplify right side
    13,855,969.80x = 88,775,957,624,718.78
  5. Step 5: Solve for x
    x = 88,775,957,624,718.78/13,855,969.80
  6. Step 6: Final answer
    x = 6,407,054.79

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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.