Home / 20,368,896.36-28,109,815.97-11,668,750.35

Finding the Fourth Proportional to 20,368,896.36, 28,109,815.97 and 11,668,750.35

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Solution

The fourth proportional to 20,368,896.36, 28,109,815.97 and 11,668,750.35 is: 16,103,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,896.36 : 28,109,815.97 = 11,668,750.35 : x
  2. Step 2: Convert to fraction form
    20,368,896.36/28,109,815.97 = 11,668,750.35/x
  3. Step 3: Cross multiply
    20,368,896.36x = 28,109,815.97 × 11,668,750.35
  4. Step 4: Simplify right side
    20,368,896.36x = 328,006,424,774,617.50
  5. Step 5: Solve for x
    x = 328,006,424,774,617.50/20,368,896.36
  6. Step 6: Final answer
    x = 16,103,298.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.