Home / 8,158,429.86-11,258,655.71-4,487,722.62

Finding the Fourth Proportional to 8,158,429.86, 11,258,655.71 and 4,487,722.62

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Solution

The fourth proportional to 8,158,429.86, 11,258,655.71 and 4,487,722.62 is: 6,193,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158,429.86 : 11,258,655.71 = 4,487,722.62 : x
  2. Step 2: Convert to fraction form
    8,158,429.86/11,258,655.71 = 4,487,722.62/x
  3. Step 3: Cross multiply
    8,158,429.86x = 11,258,655.71 × 4,487,722.62
  4. Step 4: Simplify right side
    8,158,429.86x = 50,525,723,878,120.55
  5. Step 5: Solve for x
    x = 50,525,723,878,120.55/8,158,429.86
  6. Step 6: Final answer
    x = 6,193,069.59

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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.