Home / 13,819,691.70-19,071,240.48-7,624,738.02

Finding the Fourth Proportional to 13,819,691.70, 19,071,240.48 and 7,624,738.02

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Solution

The fourth proportional to 13,819,691.70, 19,071,240.48 and 7,624,738.02 is: 10,522,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,691.70 : 19,071,240.48 = 7,624,738.02 : x
  2. Step 2: Convert to fraction form
    13,819,691.70/19,071,240.48 = 7,624,738.02/x
  3. Step 3: Cross multiply
    13,819,691.70x = 19,071,240.48 × 7,624,738.02
  4. Step 4: Simplify right side
    13,819,691.70x = 145,413,212,376,419.03
  5. Step 5: Solve for x
    x = 145,413,212,376,419.03/13,819,691.70
  6. Step 6: Final answer
    x = 10,522,174.85

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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.