Home / 20,828,556.81-31,236,800.45-6,254,888.31

Finding the Fourth Proportional to 20,828,556.81, 31,236,800.45 and 6,254,888.31

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Solution

The fourth proportional to 20,828,556.81, 31,236,800.45 and 6,254,888.31 is: 9,380,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828,556.81 : 31,236,800.45 = 6,254,888.31 : x
  2. Step 2: Convert to fraction form
    20,828,556.81/31,236,800.45 = 6,254,888.31/x
  3. Step 3: Cross multiply
    20,828,556.81x = 31,236,800.45 × 6,254,888.31
  4. Step 4: Simplify right side
    20,828,556.81x = 195,382,697,945,233.28
  5. Step 5: Solve for x
    x = 195,382,697,945,233.28/20,828,556.81
  6. Step 6: Final answer
    x = 9,380,520.20

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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.