Home / 12,020,589.48-16,587,578.34-7,125,558.60

Finding the Fourth Proportional to 12,020,589.48, 16,587,578.34 and 7,125,558.60

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Solution

The fourth proportional to 12,020,589.48, 16,587,578.34 and 7,125,558.60 is: 9,832,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,589.48 : 16,587,578.34 = 7,125,558.60 : x
  2. Step 2: Convert to fraction form
    12,020,589.48/16,587,578.34 = 7,125,558.60/x
  3. Step 3: Cross multiply
    12,020,589.48x = 16,587,578.34 × 7,125,558.60
  4. Step 4: Simplify right side
    12,020,589.48x = 118,195,761,493,760.72
  5. Step 5: Solve for x
    x = 118,195,761,493,760.72/12,020,589.48
  6. Step 6: Final answer
    x = 9,832,775.81

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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.