Home / 8,809,225.05-12,158,192.64-5,138,141.62

Finding the Fourth Proportional to 8,809,225.05, 12,158,192.64 and 5,138,141.62

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Solution

The fourth proportional to 8,809,225.05, 12,158,192.64 and 5,138,141.62 is: 7,091,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,225.05 : 12,158,192.64 = 5,138,141.62 : x
  2. Step 2: Convert to fraction form
    8,809,225.05/12,158,192.64 = 5,138,141.62/x
  3. Step 3: Cross multiply
    8,809,225.05x = 12,158,192.64 × 5,138,141.62
  4. Step 4: Simplify right side
    8,809,225.05x = 62,470,515,627,561.68
  5. Step 5: Solve for x
    x = 62,470,515,627,561.68/8,809,225.05
  6. Step 6: Final answer
    x = 7,091,488.22

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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.