Home / 14,339,586.30-19,788,379.48-7,813,269.69

Finding the Fourth Proportional to 14,339,586.30, 19,788,379.48 and 7,813,269.69

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Solution

The fourth proportional to 14,339,586.30, 19,788,379.48 and 7,813,269.69 is: 10,782,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,586.30 : 19,788,379.48 = 7,813,269.69 : x
  2. Step 2: Convert to fraction form
    14,339,586.30/19,788,379.48 = 7,813,269.69/x
  3. Step 3: Cross multiply
    14,339,586.30x = 19,788,379.48 × 7,813,269.69
  4. Step 4: Simplify right side
    14,339,586.30x = 154,611,945,605,301.97
  5. Step 5: Solve for x
    x = 154,611,945,605,301.97/14,339,586.30
  6. Step 6: Final answer
    x = 10,782,176.16

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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.