Home / 12,951,905.22-17,875,729.53-7,522,546.50

Finding the Fourth Proportional to 12,951,905.22, 17,875,729.53 and 7,522,546.50

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Solution

The fourth proportional to 12,951,905.22, 17,875,729.53 and 7,522,546.50 is: 10,382,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,905.22 : 17,875,729.53 = 7,522,546.50 : x
  2. Step 2: Convert to fraction form
    12,951,905.22/17,875,729.53 = 7,522,546.50/x
  3. Step 3: Cross multiply
    12,951,905.22x = 17,875,729.53 × 7,522,546.50
  4. Step 4: Simplify right side
    12,951,905.22x = 134,471,006,610,848.16
  5. Step 5: Solve for x
    x = 134,471,006,610,848.16/12,951,905.22
  6. Step 6: Final answer
    x = 10,382,334.05

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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.