Home / 18,722,271.60-28,086,517.80-7,363,090.80

Finding the Fourth Proportional to 18,722,271.60, 28,086,517.80 and 7,363,090.80

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Solution

The fourth proportional to 18,722,271.60, 28,086,517.80 and 7,363,090.80 is: 11,045,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,271.60 : 28,086,517.80 = 7,363,090.80 : x
  2. Step 2: Convert to fraction form
    18,722,271.60/28,086,517.80 = 7,363,090.80/x
  3. Step 3: Cross multiply
    18,722,271.60x = 28,086,517.80 × 7,363,090.80
  4. Step 4: Simplify right side
    18,722,271.60x = 206,803,580,817,216.25
  5. Step 5: Solve for x
    x = 206,803,580,817,216.25/18,722,271.60
  6. Step 6: Final answer
    x = 11,045,859.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.