Home / 12,789,049.29-19,184,865.21-4,152,788.61

Finding the Fourth Proportional to 12,789,049.29, 19,184,865.21 and 4,152,788.61

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Solution

The fourth proportional to 12,789,049.29, 19,184,865.21 and 4,152,788.61 is: 6,229,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,049.29 : 19,184,865.21 = 4,152,788.61 : x
  2. Step 2: Convert to fraction form
    12,789,049.29/19,184,865.21 = 4,152,788.61/x
  3. Step 3: Cross multiply
    12,789,049.29x = 19,184,865.21 × 4,152,788.61
  4. Step 4: Simplify right side
    12,789,049.29x = 79,670,689,728,473.27
  5. Step 5: Solve for x
    x = 79,670,689,728,473.27/12,789,049.29
  6. Step 6: Final answer
    x = 6,229,602.21

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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.