Home / 10,143,336.63-13,999,306.91-6,422,513.48

Finding the Fourth Proportional to 10,143,336.63, 13,999,306.91 and 6,422,513.48

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Solution

The fourth proportional to 10,143,336.63, 13,999,306.91 and 6,422,513.48 is: 8,864,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,336.63 : 13,999,306.91 = 6,422,513.48 : x
  2. Step 2: Convert to fraction form
    10,143,336.63/13,999,306.91 = 6,422,513.48/x
  3. Step 3: Cross multiply
    10,143,336.63x = 13,999,306.91 × 6,422,513.48
  4. Step 4: Simplify right side
    10,143,336.63x = 89,910,737,340,132.16
  5. Step 5: Solve for x
    x = 89,910,737,340,132.16/10,143,336.63
  6. Step 6: Final answer
    x = 8,864,019.86

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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.