Home / 20,736,004.60-31,104,006.90-11,778,052.60

Finding the Fourth Proportional to 20,736,004.60, 31,104,006.90 and 11,778,052.60

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Solution

The fourth proportional to 20,736,004.60, 31,104,006.90 and 11,778,052.60 is: 17,667,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,004.60 : 31,104,006.90 = 11,778,052.60 : x
  2. Step 2: Convert to fraction form
    20,736,004.60/31,104,006.90 = 11,778,052.60/x
  3. Step 3: Cross multiply
    20,736,004.60x = 31,104,006.90 × 11,778,052.60
  4. Step 4: Simplify right side
    20,736,004.60x = 366,344,629,338,962.94
  5. Step 5: Solve for x
    x = 366,344,629,338,962.94/20,736,004.60
  6. Step 6: Final answer
    x = 17,667,078.90

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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.