Home / 9,188,999.32-12,653,470.74-8,985,090.73

Finding the Fourth Proportional to 9,188,999.32, 12,653,470.74 and 8,985,090.73

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Solution

The fourth proportional to 9,188,999.32, 12,653,470.74 and 8,985,090.73 is: 12,372,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188,999.32 : 12,653,470.74 = 8,985,090.73 : x
  2. Step 2: Convert to fraction form
    9,188,999.32/12,653,470.74 = 8,985,090.73/x
  3. Step 3: Cross multiply
    9,188,999.32x = 12,653,470.74 × 8,985,090.73
  4. Step 4: Simplify right side
    9,188,999.32x = 113,692,582,648,300.25
  5. Step 5: Solve for x
    x = 113,692,582,648,300.25/9,188,999.32
  6. Step 6: Final answer
    x = 12,372,683.76

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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.