Home / 8,158,430.86-11,258,657.09-4,487,723.62

Finding the Fourth Proportional to 8,158,430.86, 11,258,657.09 and 4,487,723.62

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Solution

The fourth proportional to 8,158,430.86, 11,258,657.09 and 4,487,723.62 is: 6,193,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158,430.86 : 11,258,657.09 = 4,487,723.62 : x
  2. Step 2: Convert to fraction form
    8,158,430.86/11,258,657.09 = 4,487,723.62/x
  3. Step 3: Cross multiply
    8,158,430.86x = 11,258,657.09 × 4,487,723.62
  4. Step 4: Simplify right side
    8,158,430.86x = 50,525,741,352,273.47
  5. Step 5: Solve for x
    x = 50,525,741,352,273.47/8,158,430.86
  6. Step 6: Final answer
    x = 6,193,070.97

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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.