Home / 13,303,834.20-19,955,751.30-7,540,651.80

Finding the Fourth Proportional to 13,303,834.20, 19,955,751.30 and 7,540,651.80

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Solution

The fourth proportional to 13,303,834.20, 19,955,751.30 and 7,540,651.80 is: 11,310,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,834.20 : 19,955,751.30 = 7,540,651.80 : x
  2. Step 2: Convert to fraction form
    13,303,834.20/19,955,751.30 = 7,540,651.80/x
  3. Step 3: Cross multiply
    13,303,834.20x = 19,955,751.30 × 7,540,651.80
  4. Step 4: Simplify right side
    13,303,834.20x = 150,479,371,960,697.34
  5. Step 5: Solve for x
    x = 150,479,371,960,697.34/13,303,834.20
  6. Step 6: Final answer
    x = 11,310,977.70

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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.