Home / 15,908,845.57-21,953,588.83-9,724,247.40

Finding the Fourth Proportional to 15,908,845.57, 21,953,588.83 and 9,724,247.40

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Solution

The fourth proportional to 15,908,845.57, 21,953,588.83 and 9,724,247.40 is: 13,419,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908,845.57 : 21,953,588.83 = 9,724,247.40 : x
  2. Step 2: Convert to fraction form
    15,908,845.57/21,953,588.83 = 9,724,247.40/x
  3. Step 3: Cross multiply
    15,908,845.57x = 21,953,588.83 × 9,724,247.40
  4. Step 4: Simplify right side
    15,908,845.57x = 213,482,129,100,796.53
  5. Step 5: Solve for x
    x = 213,482,129,100,796.53/15,908,845.57
  6. Step 6: Final answer
    x = 13,419,083.63

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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.