Home / 11,810,145.60-17,715,218.40-3,831,969.60

Finding the Fourth Proportional to 11,810,145.60, 17,715,218.40 and 3,831,969.60

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Solution

The fourth proportional to 11,810,145.60, 17,715,218.40 and 3,831,969.60 is: 5,747,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,145.60 : 17,715,218.40 = 3,831,969.60 : x
  2. Step 2: Convert to fraction form
    11,810,145.60/17,715,218.40 = 3,831,969.60/x
  3. Step 3: Cross multiply
    11,810,145.60x = 17,715,218.40 × 3,831,969.60
  4. Step 4: Simplify right side
    11,810,145.60x = 67,884,178,366,160.63
  5. Step 5: Solve for x
    x = 67,884,178,366,160.63/11,810,145.60
  6. Step 6: Final answer
    x = 5,747,954.40

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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.