Home / 11,909,563.80-17,864,345.70-7,374,600.60

Finding the Fourth Proportional to 11,909,563.80, 17,864,345.70 and 7,374,600.60

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Solution

The fourth proportional to 11,909,563.80, 17,864,345.70 and 7,374,600.60 is: 11,061,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,563.80 : 17,864,345.70 = 7,374,600.60 : x
  2. Step 2: Convert to fraction form
    11,909,563.80/17,864,345.70 = 7,374,600.60/x
  3. Step 3: Cross multiply
    11,909,563.80x = 17,864,345.70 × 7,374,600.60
  4. Step 4: Simplify right side
    11,909,563.80x = 131,742,414,517,827.41
  5. Step 5: Solve for x
    x = 131,742,414,517,827.41/11,909,563.80
  6. Step 6: Final answer
    x = 11,061,900.90

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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.