Home / 20,736,028.40-31,104,042.60-9,398,620.40

Finding the Fourth Proportional to 20,736,028.40, 31,104,042.60 and 9,398,620.40

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Solution

The fourth proportional to 20,736,028.40, 31,104,042.60 and 9,398,620.40 is: 14,097,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,028.40 : 31,104,042.60 = 9,398,620.40 : x
  2. Step 2: Convert to fraction form
    20,736,028.40/31,104,042.60 = 9,398,620.40/x
  3. Step 3: Cross multiply
    20,736,028.40x = 31,104,042.60 × 9,398,620.40
  4. Step 4: Simplify right side
    20,736,028.40x = 292,335,089,302,829.06
  5. Step 5: Solve for x
    x = 292,335,089,302,829.06/20,736,028.40
  6. Step 6: Final answer
    x = 14,097,930.60

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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.