Home / 9,689,578.70-14,520,657.35-5,373,527.21

Finding the Fourth Proportional to 9,689,578.70, 14,520,657.35 and 5,373,527.21

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Solution

The fourth proportional to 9,689,578.70, 14,520,657.35 and 5,373,527.21 is: 8,052,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689,578.70 : 14,520,657.35 = 5,373,527.21 : x
  2. Step 2: Convert to fraction form
    9,689,578.70/14,520,657.35 = 5,373,527.21/x
  3. Step 3: Cross multiply
    9,689,578.70x = 14,520,657.35 × 5,373,527.21
  4. Step 4: Simplify right side
    9,689,578.70x = 78,027,147,372,594.48
  5. Step 5: Solve for x
    x = 78,027,147,372,594.48/9,689,578.70
  6. Step 6: Final answer
    x = 8,052,687.31

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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.