Home / 8,579,960.94-12,869,937.21-2,190,211.29

Finding the Fourth Proportional to 8,579,960.94, 12,869,937.21 and 2,190,211.29

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Solution

The fourth proportional to 8,579,960.94, 12,869,937.21 and 2,190,211.29 is: 3,285,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,960.94 : 12,869,937.21 = 2,190,211.29 : x
  2. Step 2: Convert to fraction form
    8,579,960.94/12,869,937.21 = 2,190,211.29/x
  3. Step 3: Cross multiply
    8,579,960.94x = 12,869,937.21 × 2,190,211.29
  4. Step 4: Simplify right side
    8,579,960.94x = 28,187,881,778,933.10
  5. Step 5: Solve for x
    x = 28,187,881,778,933.10/8,579,960.94
  6. Step 6: Final answer
    x = 3,285,315.86

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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.