Home / 25,116,423.20-37,618,647.60-19,405,728.80

Finding the Fourth Proportional to 25,116,423.20, 37,618,647.60 and 19,405,728.80

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Solution

The fourth proportional to 25,116,423.20, 37,618,647.60 and 19,405,728.80 is: 29,065,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116,423.20 : 37,618,647.60 = 19,405,728.80 : x
  2. Step 2: Convert to fraction form
    25,116,423.20/37,618,647.60 = 19,405,728.80/x
  3. Step 3: Cross multiply
    25,116,423.20x = 37,618,647.60 × 19,405,728.80
  4. Step 4: Simplify right side
    25,116,423.20x = 730,017,273,148,370.88
  5. Step 5: Solve for x
    x = 730,017,273,148,370.88/25,116,423.20
  6. Step 6: Final answer
    x = 29,065,335.75

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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.