Home / 20,736,004.40-31,104,006.60-5,591,466.80

Finding the Fourth Proportional to 20,736,004.40, 31,104,006.60 and 5,591,466.80

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Solution

The fourth proportional to 20,736,004.40, 31,104,006.60 and 5,591,466.80 is: 8,387,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,004.40 : 31,104,006.60 = 5,591,466.80 : x
  2. Step 2: Convert to fraction form
    20,736,004.40/31,104,006.60 = 5,591,466.80/x
  3. Step 3: Cross multiply
    20,736,004.40x = 31,104,006.60 × 5,591,466.80
  4. Step 4: Simplify right side
    20,736,004.40x = 173,917,020,250,880.88
  5. Step 5: Solve for x
    x = 173,917,020,250,880.88/20,736,004.40
  6. Step 6: Final answer
    x = 8,387,200.20

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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.