Home / 7,685,276.89-11,531,902.98-3,424,454.14

Finding the Fourth Proportional to 7,685,276.89, 11,531,902.98 and 3,424,454.14

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Solution

The fourth proportional to 7,685,276.89, 11,531,902.98 and 3,424,454.14 is: 5,138,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,276.89 : 11,531,902.98 = 3,424,454.14 : x
  2. Step 2: Convert to fraction form
    7,685,276.89/11,531,902.98 = 3,424,454.14/x
  3. Step 3: Cross multiply
    7,685,276.89x = 11,531,902.98 × 3,424,454.14
  4. Step 4: Simplify right side
    7,685,276.89x = 39,490,472,901,939.34
  5. Step 5: Solve for x
    x = 39,490,472,901,939.34/7,685,276.89
  6. Step 6: Final answer
    x = 5,138,458.05

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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.