Home / 13,819,745.46-19,071,195.08-7,625,177.76

Finding the Fourth Proportional to 13,819,745.46, 19,071,195.08 and 7,625,177.76

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Solution

The fourth proportional to 13,819,745.46, 19,071,195.08 and 7,625,177.76 is: 10,522,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819,745.46 : 19,071,195.08 = 7,625,177.76 : x
  2. Step 2: Convert to fraction form
    13,819,745.46/19,071,195.08 = 7,625,177.76/x
  3. Step 3: Cross multiply
    13,819,745.46x = 19,071,195.08 × 7,625,177.76
  4. Step 4: Simplify right side
    13,819,745.46x = 145,421,252,542,511.53
  5. Step 5: Solve for x
    x = 145,421,252,542,511.53/13,819,745.46
  6. Step 6: Final answer
    x = 10,522,715.70

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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.