Home / 19,959,404.20-29,939,106.30-12,401,132.20

Finding the Fourth Proportional to 19,959,404.20, 29,939,106.30 and 12,401,132.20

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Solution

The fourth proportional to 19,959,404.20, 29,939,106.30 and 12,401,132.20 is: 18,601,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959,404.20 : 29,939,106.30 = 12,401,132.20 : x
  2. Step 2: Convert to fraction form
    19,959,404.20/29,939,106.30 = 12,401,132.20/x
  3. Step 3: Cross multiply
    19,959,404.20x = 29,939,106.30 × 12,401,132.20
  4. Step 4: Simplify right side
    19,959,404.20x = 371,278,815,176,152.88
  5. Step 5: Solve for x
    x = 371,278,815,176,152.88/19,959,404.20
  6. Step 6: Final answer
    x = 18,601,698.30

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1.5x scale

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.