Home / 12,220,186.60-18,349,863.90-9,716,660.20

Finding the Fourth Proportional to 12,220,186.60, 18,349,863.90 and 9,716,660.20

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Solution

The fourth proportional to 12,220,186.60, 18,349,863.90 and 9,716,660.20 is: 14,590,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,186.60 : 18,349,863.90 = 9,716,660.20 : x
  2. Step 2: Convert to fraction form
    12,220,186.60/18,349,863.90 = 9,716,660.20/x
  3. Step 3: Cross multiply
    12,220,186.60x = 18,349,863.90 × 9,716,660.20
  4. Step 4: Simplify right side
    12,220,186.60x = 178,299,392,232,546.75
  5. Step 5: Solve for x
    x = 178,299,392,232,546.75/12,220,186.60
  6. Step 6: Final answer
    x = 14,590,562.16

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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.