Home / 12,789,030.10-19,183,545.15-8,757,951.70

Finding the Fourth Proportional to 12,789,030.10, 19,183,545.15 and 8,757,951.70

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Solution

The fourth proportional to 12,789,030.10, 19,183,545.15 and 8,757,951.70 is: 13,136,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,030.10 : 19,183,545.15 = 8,757,951.70 : x
  2. Step 2: Convert to fraction form
    12,789,030.10/19,183,545.15 = 8,757,951.70/x
  3. Step 3: Cross multiply
    12,789,030.10x = 19,183,545.15 × 8,757,951.70
  4. Step 4: Simplify right side
    12,789,030.10x = 168,008,561,858,469.22
  5. Step 5: Solve for x
    x = 168,008,561,858,469.22/12,789,030.10
  6. Step 6: Final answer
    x = 13,136,927.55

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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.