Home / 7,166,705.50-9,892,214.76-4,876,194.79

Finding the Fourth Proportional to 7,166,705.50, 9,892,214.76 and 4,876,194.79

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Solution

The fourth proportional to 7,166,705.50, 9,892,214.76 and 4,876,194.79 is: 6,730,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,705.50 : 9,892,214.76 = 4,876,194.79 : x
  2. Step 2: Convert to fraction form
    7,166,705.50/9,892,214.76 = 4,876,194.79/x
  3. Step 3: Cross multiply
    7,166,705.50x = 9,892,214.76 × 4,876,194.79
  4. Step 4: Simplify right side
    7,166,705.50x = 48,236,366,074,273.10
  5. Step 5: Solve for x
    x = 48,236,366,074,273.10/7,166,705.50
  6. Step 6: Final answer
    x = 6,730,619.26

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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.