Home / 9,905,470.61-13,671,509.82-6,425,122.55

Finding the Fourth Proportional to 9,905,470.61, 13,671,509.82 and 6,425,122.55

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Solution

The fourth proportional to 9,905,470.61, 13,671,509.82 and 6,425,122.55 is: 8,867,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,470.61 : 13,671,509.82 = 6,425,122.55 : x
  2. Step 2: Convert to fraction form
    9,905,470.61/13,671,509.82 = 6,425,122.55/x
  3. Step 3: Cross multiply
    9,905,470.61x = 13,671,509.82 × 6,425,122.55
  4. Step 4: Simplify right side
    9,905,470.61x = 87,841,126,057,620.25
  5. Step 5: Solve for x
    x = 87,841,126,057,620.25/9,905,470.61
  6. Step 6: Final answer
    x = 8,867,940.71

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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.