Home / 15,907,128.56-21,954,330.60-9,381,475.28

Finding the Fourth Proportional to 15,907,128.56, 21,954,330.60 and 9,381,475.28

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Solution

The fourth proportional to 15,907,128.56, 21,954,330.60 and 9,381,475.28 is: 12,947,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,128.56 : 21,954,330.60 = 9,381,475.28 : x
  2. Step 2: Convert to fraction form
    15,907,128.56/21,954,330.60 = 9,381,475.28/x
  3. Step 3: Cross multiply
    15,907,128.56x = 21,954,330.60 × 9,381,475.28
  4. Step 4: Simplify right side
    15,907,128.56x = 205,964,009,812,847.56
  5. Step 5: Solve for x
    x = 205,964,009,812,847.56/15,907,128.56
  6. Step 6: Final answer
    x = 12,947,906.28

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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.