Home / 12,792,530.70-19,183,333.68-7,404,899.94

Finding the Fourth Proportional to 12,792,530.70, 19,183,333.68 and 7,404,899.94

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Solution

The fourth proportional to 12,792,530.70, 19,183,333.68 and 7,404,899.94 is: 11,104,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792,530.70 : 19,183,333.68 = 7,404,899.94 : x
  2. Step 2: Convert to fraction form
    12,792,530.70/19,183,333.68 = 7,404,899.94/x
  3. Step 3: Cross multiply
    12,792,530.70x = 19,183,333.68 × 7,404,899.94
  4. Step 4: Simplify right side
    12,792,530.70x = 142,050,666,416,032
  5. Step 5: Solve for x
    x = 142,050,666,416,032/12,792,530.70
  6. Step 6: Final answer
    x = 11,104,188.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.