Home / 20,893,025.45-31,323,055.49-13,200,455.90

Finding the Fourth Proportional to 20,893,025.45, 31,323,055.49 and 13,200,455.90

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Solution

The fourth proportional to 20,893,025.45, 31,323,055.49 and 13,200,455.90 is: 19,790,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893,025.45 : 31,323,055.49 = 13,200,455.90 : x
  2. Step 2: Convert to fraction form
    20,893,025.45/31,323,055.49 = 13,200,455.90/x
  3. Step 3: Cross multiply
    20,893,025.45x = 31,323,055.49 × 13,200,455.90
  4. Step 4: Simplify right side
    20,893,025.45x = 413,478,612,661,303.25
  5. Step 5: Solve for x
    x = 413,478,612,661,303.25/20,893,025.45
  6. Step 6: Final answer
    x = 19,790,269.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.