Home / 12,886,489.46-17,783,425.77-7,588,415.54

Finding the Fourth Proportional to 12,886,489.46, 17,783,425.77 and 7,588,415.54

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Solution

The fourth proportional to 12,886,489.46, 17,783,425.77 and 7,588,415.54 is: 10,472,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,489.46 : 17,783,425.77 = 7,588,415.54 : x
  2. Step 2: Convert to fraction form
    12,886,489.46/17,783,425.77 = 7,588,415.54/x
  3. Step 3: Cross multiply
    12,886,489.46x = 17,783,425.77 × 7,588,415.54
  4. Step 4: Simplify right side
    12,886,489.46x = 134,948,024,483,506.47
  5. Step 5: Solve for x
    x = 134,948,024,483,506.47/12,886,489.46
  6. Step 6: Final answer
    x = 10,472,054.85

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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.