Home / 12,260,640.94-16,920,209.37-6,828,132.94

Finding the Fourth Proportional to 12,260,640.94, 16,920,209.37 and 6,828,132.94

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Solution

The fourth proportional to 12,260,640.94, 16,920,209.37 and 6,828,132.94 is: 9,423,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,640.94 : 16,920,209.37 = 6,828,132.94 : x
  2. Step 2: Convert to fraction form
    12,260,640.94/16,920,209.37 = 6,828,132.94/x
  3. Step 3: Cross multiply
    12,260,640.94x = 16,920,209.37 × 6,828,132.94
  4. Step 4: Simplify right side
    12,260,640.94x = 115,533,438,934,298.62
  5. Step 5: Solve for x
    x = 115,533,438,934,298.62/12,260,640.94
  6. Step 6: Final answer
    x = 9,423,115.77

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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.