Home / 12,088,216.40-18,132,324.60-10,870,494.80

Finding the Fourth Proportional to 12,088,216.40, 18,132,324.60 and 10,870,494.80

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Solution

The fourth proportional to 12,088,216.40, 18,132,324.60 and 10,870,494.80 is: 16,305,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,216.40 : 18,132,324.60 = 10,870,494.80 : x
  2. Step 2: Convert to fraction form
    12,088,216.40/18,132,324.60 = 10,870,494.80/x
  3. Step 3: Cross multiply
    12,088,216.40x = 18,132,324.60 × 10,870,494.80
  4. Step 4: Simplify right side
    12,088,216.40x = 197,107,340,276,212.12
  5. Step 5: Solve for x
    x = 197,107,340,276,212.12/12,088,216.40
  6. Step 6: Final answer
    x = 16,305,742.20

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1.5x scale

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.