Home / 13,564,944.90-18,719,961.57-7,369,993.62

Finding the Fourth Proportional to 13,564,944.90, 18,719,961.57 and 7,369,993.62

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Solution

The fourth proportional to 13,564,944.90, 18,719,961.57 and 7,369,993.62 is: 10,170,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,944.90 : 18,719,961.57 = 7,369,993.62 : x
  2. Step 2: Convert to fraction form
    13,564,944.90/18,719,961.57 = 7,369,993.62/x
  3. Step 3: Cross multiply
    13,564,944.90x = 18,719,961.57 × 7,369,993.62
  4. Step 4: Simplify right side
    13,564,944.90x = 137,965,997,337,545.19
  5. Step 5: Solve for x
    x = 137,965,997,337,545.19/13,564,944.90
  6. Step 6: Final answer
    x = 10,170,774.62

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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.