Home / 6,816,019.20-10,220,140.80-2,556,326.40

Finding the Fourth Proportional to 6,816,019.20, 10,220,140.80 and 2,556,326.40

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Solution

The fourth proportional to 6,816,019.20, 10,220,140.80 and 2,556,326.40 is: 3,833,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816,019.20 : 10,220,140.80 = 2,556,326.40 : x
  2. Step 2: Convert to fraction form
    6,816,019.20/10,220,140.80 = 2,556,326.40/x
  3. Step 3: Cross multiply
    6,816,019.20x = 10,220,140.80 × 2,556,326.40
  4. Step 4: Simplify right side
    6,816,019.20x = 26,126,015,738,757.12
  5. Step 5: Solve for x
    x = 26,126,015,738,757.12/6,816,019.20
  6. Step 6: Final answer
    x = 3,833,031.42

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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.