Home / 19,719,946.80-29,579,920.20-11,216,890.80

Finding the Fourth Proportional to 19,719,946.80, 29,579,920.20 and 11,216,890.80

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Solution

The fourth proportional to 19,719,946.80, 29,579,920.20 and 11,216,890.80 is: 16,825,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719,946.80 : 29,579,920.20 = 11,216,890.80 : x
  2. Step 2: Convert to fraction form
    19,719,946.80/29,579,920.20 = 11,216,890.80/x
  3. Step 3: Cross multiply
    19,719,946.80x = 29,579,920.20 × 11,216,890.80
  4. Step 4: Simplify right side
    19,719,946.80x = 331,794,734,756,114.19
  5. Step 5: Solve for x
    x = 331,794,734,756,114.19/19,719,946.80
  6. Step 6: Final answer
    x = 16,825,336.20

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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.