Home / 8,690,429.80-13,035,644.70-4,659,351.40

Finding the Fourth Proportional to 8,690,429.80, 13,035,644.70 and 4,659,351.40

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Solution

The fourth proportional to 8,690,429.80, 13,035,644.70 and 4,659,351.40 is: 6,989,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,429.80 : 13,035,644.70 = 4,659,351.40 : x
  2. Step 2: Convert to fraction form
    8,690,429.80/13,035,644.70 = 4,659,351.40/x
  3. Step 3: Cross multiply
    8,690,429.80x = 13,035,644.70 × 4,659,351.40
  4. Step 4: Simplify right side
    8,690,429.80x = 60,737,649,382,847.58
  5. Step 5: Solve for x
    x = 60,737,649,382,847.58/8,690,429.80
  6. Step 6: Final answer
    x = 6,989,027.10

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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.