Home / 20,039,653.52-30,059,571-8,522,153.36

Finding the Fourth Proportional to 20,039,653.52, 30,059,571 and 8,522,153.36

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Solution

The fourth proportional to 20,039,653.52, 30,059,571 and 8,522,153.36 is: 12,783,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039,653.52 : 30,059,571 = 8,522,153.36 : x
  2. Step 2: Convert to fraction form
    20,039,653.52/30,059,571 = 8,522,153.36/x
  3. Step 3: Cross multiply
    20,039,653.52x = 30,059,571 × 8,522,153.36
  4. Step 4: Simplify right side
    20,039,653.52x = 256,172,273,997,808.53
  5. Step 5: Solve for x
    x = 256,172,273,997,808.53/20,039,653.52
  6. Step 6: Final answer
    x = 12,783,268.62

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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.