Home / 13,667,640.61-18,861,737.61-7,556,462.77

Finding the Fourth Proportional to 13,667,640.61, 18,861,737.61 and 7,556,462.77

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Solution

The fourth proportional to 13,667,640.61, 18,861,737.61 and 7,556,462.77 is: 10,428,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,640.61 : 18,861,737.61 = 7,556,462.77 : x
  2. Step 2: Convert to fraction form
    13,667,640.61/18,861,737.61 = 7,556,462.77/x
  3. Step 3: Cross multiply
    13,667,640.61x = 18,861,737.61 × 7,556,462.77
  4. Step 4: Simplify right side
    13,667,640.61x = 142,528,018,027,473.78
  5. Step 5: Solve for x
    x = 142,528,018,027,473.78/13,667,640.61
  6. Step 6: Final answer
    x = 10,428,136.22

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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.