Home / 14,339,424.30-19,788,155.37-7,813,107.78

Finding the Fourth Proportional to 14,339,424.30, 19,788,155.37 and 7,813,107.78

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Solution

The fourth proportional to 14,339,424.30, 19,788,155.37 and 7,813,107.78 is: 10,781,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,424.30 : 19,788,155.37 = 7,813,107.78 : x
  2. Step 2: Convert to fraction form
    14,339,424.30/19,788,155.37 = 7,813,107.78/x
  3. Step 3: Cross multiply
    14,339,424.30x = 19,788,155.37 × 7,813,107.78
  4. Step 4: Simplify right side
    14,339,424.30x = 154,606,990,673,195.78
  5. Step 5: Solve for x
    x = 154,606,990,673,195.78/14,339,424.30
  6. Step 6: Final answer
    x = 10,781,952.43

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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.