Home / 9,027,105.68-12,458,249.52-5,158,871.36

Finding the Fourth Proportional to 9,027,105.68, 12,458,249.52 and 5,158,871.36

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Solution

The fourth proportional to 9,027,105.68, 12,458,249.52 and 5,158,871.36 is: 7,119,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027,105.68 : 12,458,249.52 = 5,158,871.36 : x
  2. Step 2: Convert to fraction form
    9,027,105.68/12,458,249.52 = 5,158,871.36/x
  3. Step 3: Cross multiply
    9,027,105.68x = 12,458,249.52 × 5,158,871.36
  4. Step 4: Simplify right side
    9,027,105.68x = 64,270,506,644,461.75
  5. Step 5: Solve for x
    x = 64,270,506,644,461.75/9,027,105.68
  6. Step 6: Final answer
    x = 7,119,724.63

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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.