Home / 19,780,600.20-29,647,280.70-10,191,042.60

Finding the Fourth Proportional to 19,780,600.20, 29,647,280.70 and 10,191,042.60

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Solution

The fourth proportional to 19,780,600.20, 29,647,280.70 and 10,191,042.60 is: 15,274,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780,600.20 : 29,647,280.70 = 10,191,042.60 : x
  2. Step 2: Convert to fraction form
    19,780,600.20/29,647,280.70 = 10,191,042.60/x
  3. Step 3: Cross multiply
    19,780,600.20x = 29,647,280.70 × 10,191,042.60
  4. Step 4: Simplify right side
    19,780,600.20x = 302,136,700,587,857.81
  5. Step 5: Solve for x
    x = 302,136,700,587,857.81/19,780,600.20
  6. Step 6: Final answer
    x = 15,274,394.99

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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.