Home / 18,433,090.80-27,612,311.40-10,445,583.60

Finding the Fourth Proportional to 18,433,090.80, 27,612,311.40 and 10,445,583.60

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Solution

The fourth proportional to 18,433,090.80, 27,612,311.40 and 10,445,583.60 is: 15,647,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,090.80 : 27,612,311.40 = 10,445,583.60 : x
  2. Step 2: Convert to fraction form
    18,433,090.80/27,612,311.40 = 10,445,583.60/x
  3. Step 3: Cross multiply
    18,433,090.80x = 27,612,311.40 × 10,445,583.60
  4. Step 4: Simplify right side
    18,433,090.80x = 288,426,707,117,933
  5. Step 5: Solve for x
    x = 288,426,707,117,933/18,433,090.80
  6. Step 6: Final answer
    x = 15,647,224.34

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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.