Home / 6,780,770.16-9,355,849.56-3,840,612.72

Finding the Fourth Proportional to 6,780,770.16, 9,355,849.56 and 3,840,612.72

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Solution

The fourth proportional to 6,780,770.16, 9,355,849.56 and 3,840,612.72 is: 5,299,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,770.16 : 9,355,849.56 = 3,840,612.72 : x
  2. Step 2: Convert to fraction form
    6,780,770.16/9,355,849.56 = 3,840,612.72/x
  3. Step 3: Cross multiply
    6,780,770.16x = 9,355,849.56 × 3,840,612.72
  4. Step 4: Simplify right side
    6,780,770.16x = 35,932,194,826,542.41
  5. Step 5: Solve for x
    x = 35,932,194,826,542.41/6,780,770.16
  6. Step 6: Final answer
    x = 5,299,131.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.