Home / 7,999,099.52-11,043,908.16-7,138,179.68

Finding the Fourth Proportional to 7,999,099.52, 11,043,908.16 and 7,138,179.68

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Solution

The fourth proportional to 7,999,099.52, 11,043,908.16 and 7,138,179.68 is: 9,855,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,099.52 : 11,043,908.16 = 7,138,179.68 : x
  2. Step 2: Convert to fraction form
    7,999,099.52/11,043,908.16 = 7,138,179.68/x
  3. Step 3: Cross multiply
    7,999,099.52x = 11,043,908.16 × 7,138,179.68
  4. Step 4: Simplify right side
    7,999,099.52x = 78,833,400,815,498.19
  5. Step 5: Solve for x
    x = 78,833,400,815,498.19/7,999,099.52
  6. Step 6: Final answer
    x = 9,855,284.41

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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.