Home / 14,339,585.30-19,788,378.10-7,813,268.69

Finding the Fourth Proportional to 14,339,585.30, 19,788,378.10 and 7,813,268.69

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Solution

The fourth proportional to 14,339,585.30, 19,788,378.10 and 7,813,268.69 is: 10,782,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,585.30 : 19,788,378.10 = 7,813,268.69 : x
  2. Step 2: Convert to fraction form
    14,339,585.30/19,788,378.10 = 7,813,268.69/x
  3. Step 3: Cross multiply
    14,339,585.30x = 19,788,378.10 × 7,813,268.69
  4. Step 4: Simplify right side
    14,339,585.30x = 154,611,914,916,136.62
  5. Step 5: Solve for x
    x = 154,611,914,916,136.62/14,339,585.30
  6. Step 6: Final answer
    x = 10,782,174.78

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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.