Home / 20,736,069.40-31,104,104.10-6,361,355.80

Finding the Fourth Proportional to 20,736,069.40, 31,104,104.10 and 6,361,355.80

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Solution

The fourth proportional to 20,736,069.40, 31,104,104.10 and 6,361,355.80 is: 9,542,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,069.40 : 31,104,104.10 = 6,361,355.80 : x
  2. Step 2: Convert to fraction form
    20,736,069.40/31,104,104.10 = 6,361,355.80/x
  3. Step 3: Cross multiply
    20,736,069.40x = 31,104,104.10 × 6,361,355.80
  4. Step 4: Simplify right side
    20,736,069.40x = 197,864,273,020,338.78
  5. Step 5: Solve for x
    x = 197,864,273,020,338.78/20,736,069.40
  6. Step 6: Final answer
    x = 9,542,033.70

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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.