Home / 13,366,605.80-20,049,908.70-7,704,295.40

Finding the Fourth Proportional to 13,366,605.80, 20,049,908.70 and 7,704,295.40

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Solution

The fourth proportional to 13,366,605.80, 20,049,908.70 and 7,704,295.40 is: 11,556,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,605.80 : 20,049,908.70 = 7,704,295.40 : x
  2. Step 2: Convert to fraction form
    13,366,605.80/20,049,908.70 = 7,704,295.40/x
  3. Step 3: Cross multiply
    13,366,605.80x = 20,049,908.70 × 7,704,295.40
  4. Step 4: Simplify right side
    13,366,605.80x = 154,470,419,367,829.97
  5. Step 5: Solve for x
    x = 154,470,419,367,829.97/13,366,605.80
  6. Step 6: Final answer
    x = 11,556,443.10

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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.