Home / 20,777,497.52-31,166,246.54-5,631,429.02

Finding the Fourth Proportional to 20,777,497.52, 31,166,246.54 and 5,631,429.02

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Solution

The fourth proportional to 20,777,497.52, 31,166,246.54 and 5,631,429.02 is: 8,447,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,497.52 : 31,166,246.54 = 5,631,429.02 : x
  2. Step 2: Convert to fraction form
    20,777,497.52/31,166,246.54 = 5,631,429.02/x
  3. Step 3: Cross multiply
    20,777,497.52x = 31,166,246.54 × 5,631,429.02
  4. Step 4: Simplify right side
    20,777,497.52x = 175,510,505,068,077.94
  5. Step 5: Solve for x
    x = 175,510,505,068,077.94/20,777,497.52
  6. Step 6: Final answer
    x = 8,447,143.60

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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.