Home / 20,829,632.40-31,202,458.20-14,447,091.60

Finding the Fourth Proportional to 20,829,632.40, 31,202,458.20 and 14,447,091.60

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Solution

The fourth proportional to 20,829,632.40, 31,202,458.20 and 14,447,091.60 is: 21,641,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829,632.40 : 31,202,458.20 = 14,447,091.60 : x
  2. Step 2: Convert to fraction form
    20,829,632.40/31,202,458.20 = 14,447,091.60/x
  3. Step 3: Cross multiply
    20,829,632.40x = 31,202,458.20 × 14,447,091.60
  4. Step 4: Simplify right side
    20,829,632.40x = 450,784,771,760,571.12
  5. Step 5: Solve for x
    x = 450,784,771,760,571.12/20,829,632.40
  6. Step 6: Final answer
    x = 21,641,513.55

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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.