Home / 12,097,329.20-18,154,288.20-5,370,570.80

Finding the Fourth Proportional to 12,097,329.20, 18,154,288.20 and 5,370,570.80

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Solution

The fourth proportional to 12,097,329.20, 18,154,288.20 and 5,370,570.80 is: 8,059,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,329.20 : 18,154,288.20 = 5,370,570.80 : x
  2. Step 2: Convert to fraction form
    12,097,329.20/18,154,288.20 = 5,370,570.80/x
  3. Step 3: Cross multiply
    12,097,329.20x = 18,154,288.20 × 5,370,570.80
  4. Step 4: Simplify right side
    12,097,329.20x = 97,498,890,101,704.55
  5. Step 5: Solve for x
    x = 97,498,890,101,704.55/12,097,329.20
  6. Step 6: Final answer
    x = 8,059,538.47

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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.