Home / 20,862,243.63-31,292,876.93-5,510,604.69

Finding the Fourth Proportional to 20,862,243.63, 31,292,876.93 and 5,510,604.69

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Solution

The fourth proportional to 20,862,243.63, 31,292,876.93 and 5,510,604.69 is: 8,265,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,243.63 : 31,292,876.93 = 5,510,604.69 : x
  2. Step 2: Convert to fraction form
    20,862,243.63/31,292,876.93 = 5,510,604.69/x
  3. Step 3: Cross multiply
    20,862,243.63x = 31,292,876.93 × 5,510,604.69
  4. Step 4: Simplify right side
    20,862,243.63x = 172,442,674,346,497.78
  5. Step 5: Solve for x
    x = 172,442,674,346,497.78/20,862,243.63
  6. Step 6: Final answer
    x = 8,265,778.00

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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.