Home / 15,907,146.56-21,954,355.44-9,381,493.28

Finding the Fourth Proportional to 15,907,146.56, 21,954,355.44 and 9,381,493.28

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Solution

The fourth proportional to 15,907,146.56, 21,954,355.44 and 9,381,493.28 is: 12,947,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,146.56 : 21,954,355.44 = 9,381,493.28 : x
  2. Step 2: Convert to fraction form
    15,907,146.56/21,954,355.44 = 9,381,493.28/x
  3. Step 3: Cross multiply
    15,907,146.56x = 21,954,355.44 × 9,381,493.28
  4. Step 4: Simplify right side
    15,907,146.56x = 205,964,638,027,091.44
  5. Step 5: Solve for x
    x = 205,964,638,027,091.44/15,907,146.56
  6. Step 6: Final answer
    x = 12,947,931.12

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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.