Home / 13,748,486.40-20,622,729.60-7,371,194.40

Finding the Fourth Proportional to 13,748,486.40, 20,622,729.60 and 7,371,194.40

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Solution

The fourth proportional to 13,748,486.40, 20,622,729.60 and 7,371,194.40 is: 11,056,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748,486.40 : 20,622,729.60 = 7,371,194.40 : x
  2. Step 2: Convert to fraction form
    13,748,486.40/20,622,729.60 = 7,371,194.40/x
  3. Step 3: Cross multiply
    13,748,486.40x = 20,622,729.60 × 7,371,194.40
  4. Step 4: Simplify right side
    13,748,486.40x = 152,014,148,940,234.25
  5. Step 5: Solve for x
    x = 152,014,148,940,234.25/13,748,486.40
  6. Step 6: Final answer
    x = 11,056,791.60

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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.