Home / 19,669,131.20-29,503,696.80-19,291,217.60

Finding the Fourth Proportional to 19,669,131.20, 29,503,696.80 and 19,291,217.60

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Solution

The fourth proportional to 19,669,131.20, 29,503,696.80 and 19,291,217.60 is: 28,936,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669,131.20 : 29,503,696.80 = 19,291,217.60 : x
  2. Step 2: Convert to fraction form
    19,669,131.20/29,503,696.80 = 19,291,217.60/x
  3. Step 3: Cross multiply
    19,669,131.20x = 29,503,696.80 × 19,291,217.60
  4. Step 4: Simplify right side
    19,669,131.20x = 569,162,234,973,223.75
  5. Step 5: Solve for x
    x = 569,162,234,973,223.75/19,669,131.20
  6. Step 6: Final answer
    x = 28,936,826.40

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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.