Home / 21,886,055.20-30,204,319.76-12,096,288.80

Finding the Fourth Proportional to 21,886,055.20, 30,204,319.76 and 12,096,288.80

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Solution

The fourth proportional to 21,886,055.20, 30,204,319.76 and 12,096,288.80 is: 16,693,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886,055.20 : 30,204,319.76 = 12,096,288.80 : x
  2. Step 2: Convert to fraction form
    21,886,055.20/30,204,319.76 = 12,096,288.80/x
  3. Step 3: Cross multiply
    21,886,055.20x = 30,204,319.76 × 12,096,288.80
  4. Step 4: Simplify right side
    21,886,055.20x = 365,360,174,824,506.75
  5. Step 5: Solve for x
    x = 365,360,174,824,506.75/21,886,055.20
  6. Step 6: Final answer
    x = 16,693,742.73

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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.