Home / 15,447,381.22-21,318,382.54-8,571,863.28

Finding the Fourth Proportional to 15,447,381.22, 21,318,382.54 and 8,571,863.28

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Solution

The fourth proportional to 15,447,381.22, 21,318,382.54 and 8,571,863.28 is: 11,829,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,381.22 : 21,318,382.54 = 8,571,863.28 : x
  2. Step 2: Convert to fraction form
    15,447,381.22/21,318,382.54 = 8,571,863.28/x
  3. Step 3: Cross multiply
    15,447,381.22x = 21,318,382.54 × 8,571,863.28
  4. Step 4: Simplify right side
    15,447,381.22x = 182,738,260,483,619.09
  5. Step 5: Solve for x
    x = 182,738,260,483,619.09/15,447,381.22
  6. Step 6: Final answer
    x = 11,829,724.27

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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.