Home / 12,228,063.60-18,353,905.20-7,445,094.60

Finding the Fourth Proportional to 12,228,063.60, 18,353,905.20 and 7,445,094.60

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Solution

The fourth proportional to 12,228,063.60, 18,353,905.20 and 7,445,094.60 is: 11,174,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,063.60 : 18,353,905.20 = 7,445,094.60 : x
  2. Step 2: Convert to fraction form
    12,228,063.60/18,353,905.20 = 7,445,094.60/x
  3. Step 3: Cross multiply
    12,228,063.60x = 18,353,905.20 × 7,445,094.60
  4. Step 4: Simplify right side
    12,228,063.60x = 136,646,560,493,431.91
  5. Step 5: Solve for x
    x = 136,646,560,493,431.91/12,228,063.60
  6. Step 6: Final answer
    x = 11,174,832.33

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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.