Home / 13,781,101.64-20,670,077.75-3,684,509.96

Finding the Fourth Proportional to 13,781,101.64, 20,670,077.75 and 3,684,509.96

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Solution

The fourth proportional to 13,781,101.64, 20,670,077.75 and 3,684,509.96 is: 5,526,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,101.64 : 20,670,077.75 = 3,684,509.96 : x
  2. Step 2: Convert to fraction form
    13,781,101.64/20,670,077.75 = 3,684,509.96/x
  3. Step 3: Cross multiply
    13,781,101.64x = 20,670,077.75 × 3,684,509.96
  4. Step 4: Simplify right side
    13,781,101.64x = 76,159,107,222,076.45
  5. Step 5: Solve for x
    x = 76,159,107,222,076.45/13,781,101.64
  6. Step 6: Final answer
    x = 5,526,343.92

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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.