Home / 7,734,507.75-10,674,604.85-4,678,743.87

Finding the Fourth Proportional to 7,734,507.75, 10,674,604.85 and 4,678,743.87

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Solution

The fourth proportional to 7,734,507.75, 10,674,604.85 and 4,678,743.87 is: 6,457,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734,507.75 : 10,674,604.85 = 4,678,743.87 : x
  2. Step 2: Convert to fraction form
    7,734,507.75/10,674,604.85 = 4,678,743.87/x
  3. Step 3: Cross multiply
    7,734,507.75x = 10,674,604.85 × 4,678,743.87
  4. Step 4: Simplify right side
    7,734,507.75x = 49,943,741,983,216.05
  5. Step 5: Solve for x
    x = 49,943,741,983,216.05/7,734,507.75
  6. Step 6: Final answer
    x = 6,457,261.87

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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.