Home / 20,522,789.42-30,784,971.47-9,163,336.46

Finding the Fourth Proportional to 20,522,789.42, 30,784,971.47 and 9,163,336.46

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Solution

The fourth proportional to 20,522,789.42, 30,784,971.47 and 9,163,336.46 is: 13,745,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,789.42 : 30,784,971.47 = 9,163,336.46 : x
  2. Step 2: Convert to fraction form
    20,522,789.42/30,784,971.47 = 9,163,336.46/x
  3. Step 3: Cross multiply
    20,522,789.42x = 30,784,971.47 × 9,163,336.46
  4. Step 4: Simplify right side
    20,522,789.42x = 282,093,051,291,369.25
  5. Step 5: Solve for x
    x = 282,093,051,291,369.25/20,522,789.42
  6. Step 6: Final answer
    x = 13,745,356.23

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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.