Home / 12,262,771.76-18,393,546.20-4,585,852.21

Finding the Fourth Proportional to 12,262,771.76, 18,393,546.20 and 4,585,852.21

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Solution

The fourth proportional to 12,262,771.76, 18,393,546.20 and 4,585,852.21 is: 6,878,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262,771.76 : 18,393,546.20 = 4,585,852.21 : x
  2. Step 2: Convert to fraction form
    12,262,771.76/18,393,546.20 = 4,585,852.21/x
  3. Step 3: Cross multiply
    12,262,771.76x = 18,393,546.20 × 4,585,852.21
  4. Step 4: Simplify right side
    12,262,771.76x = 84,350,084,501,721.34
  5. Step 5: Solve for x
    x = 84,350,084,501,721.34/12,262,771.76
  6. Step 6: Final answer
    x = 6,878,549.66

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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.