Home / 12,224,659.60-18,348,799.20-7,441,690.60

Finding the Fourth Proportional to 12,224,659.60, 18,348,799.20 and 7,441,690.60

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Solution

The fourth proportional to 12,224,659.60, 18,348,799.20 and 7,441,690.60 is: 11,169,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,659.60 : 18,348,799.20 = 7,441,690.60 : x
  2. Step 2: Convert to fraction form
    12,224,659.60/18,348,799.20 = 7,441,690.60/x
  3. Step 3: Cross multiply
    12,224,659.60x = 18,348,799.20 × 7,441,690.60
  4. Step 4: Simplify right side
    12,224,659.60x = 136,546,086,527,927.50
  5. Step 5: Solve for x
    x = 136,546,086,527,927.50/12,224,659.60
  6. Step 6: Final answer
    x = 11,169,725.05

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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.