Home / 10,005,603.34-13,802,662.12-6,328,326.86

Finding the Fourth Proportional to 10,005,603.34, 13,802,662.12 and 6,328,326.86

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Solution

The fourth proportional to 10,005,603.34, 13,802,662.12 and 6,328,326.86 is: 8,729,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,603.34 : 13,802,662.12 = 6,328,326.86 : x
  2. Step 2: Convert to fraction form
    10,005,603.34/13,802,662.12 = 6,328,326.86/x
  3. Step 3: Cross multiply
    10,005,603.34x = 13,802,662.12 × 6,328,326.86
  4. Step 4: Simplify right side
    10,005,603.34x = 87,347,757,433,500.55
  5. Step 5: Solve for x
    x = 87,347,757,433,500.55/10,005,603.34
  6. Step 6: Final answer
    x = 8,729,884.09

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1.5x scale

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.