Home / 15,659,954.36-21,611,228.45-9,044,419.92

Finding the Fourth Proportional to 15,659,954.36, 21,611,228.45 and 9,044,419.92

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Solution

The fourth proportional to 15,659,954.36, 21,611,228.45 and 9,044,419.92 is: 12,481,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659,954.36 : 21,611,228.45 = 9,044,419.92 : x
  2. Step 2: Convert to fraction form
    15,659,954.36/21,611,228.45 = 9,044,419.92/x
  3. Step 3: Cross multiply
    15,659,954.36x = 21,611,228.45 × 9,044,419.92
  4. Step 4: Simplify right side
    15,659,954.36x = 195,461,025,088,850.72
  5. Step 5: Solve for x
    x = 195,461,025,088,850.72/15,659,954.36
  6. Step 6: Final answer
    x = 12,481,583.32

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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.