Home / 13,739,903.20-20,609,854.80-4,764,455.20

Finding the Fourth Proportional to 13,739,903.20, 20,609,854.80 and 4,764,455.20

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Solution

The fourth proportional to 13,739,903.20, 20,609,854.80 and 4,764,455.20 is: 7,146,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,903.20 : 20,609,854.80 = 4,764,455.20 : x
  2. Step 2: Convert to fraction form
    13,739,903.20/20,609,854.80 = 4,764,455.20/x
  3. Step 3: Cross multiply
    13,739,903.20x = 20,609,854.80 × 4,764,455.20
  4. Step 4: Simplify right side
    13,739,903.20x = 98,194,729,873,104.97
  5. Step 5: Solve for x
    x = 98,194,729,873,104.97/13,739,903.20
  6. Step 6: Final answer
    x = 7,146,682.80

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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.