Home / 7,979,999.80-11,953,151.70-5,285,615.80

Finding the Fourth Proportional to 7,979,999.80, 11,953,151.70 and 5,285,615.80

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Solution

The fourth proportional to 7,979,999.80, 11,953,151.70 and 5,285,615.80 is: 7,917,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,999.80 : 11,953,151.70 = 5,285,615.80 : x
  2. Step 2: Convert to fraction form
    7,979,999.80/11,953,151.70 = 5,285,615.80/x
  3. Step 3: Cross multiply
    7,979,999.80x = 11,953,151.70 × 5,285,615.80
  4. Step 4: Simplify right side
    7,979,999.80x = 63,179,767,485,316.85
  5. Step 5: Solve for x
    x = 63,179,767,485,316.85/7,979,999.80
  6. Step 6: Final answer
    x = 7,917,264.29

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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.