Home / 9,027,103.68-12,458,246.76-5,158,869.36

Finding the Fourth Proportional to 9,027,103.68, 12,458,246.76 and 5,158,869.36

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Solution

The fourth proportional to 9,027,103.68, 12,458,246.76 and 5,158,869.36 is: 7,119,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027,103.68 : 12,458,246.76 = 5,158,869.36 : x
  2. Step 2: Convert to fraction form
    9,027,103.68/12,458,246.76 = 5,158,869.36/x
  3. Step 3: Cross multiply
    9,027,103.68x = 12,458,246.76 × 5,158,869.36
  4. Step 4: Simplify right side
    9,027,103.68x = 64,270,467,489,483.27
  5. Step 5: Solve for x
    x = 64,270,467,489,483.27/9,027,103.68
  6. Step 6: Final answer
    x = 7,119,721.87

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1.5x scale

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.