Home / 19,680,451.80-29,524,824.90-8,315,050.20

Finding the Fourth Proportional to 19,680,451.80, 29,524,824.90 and 8,315,050.20

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Solution

The fourth proportional to 19,680,451.80, 29,524,824.90 and 8,315,050.20 is: 12,474,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,451.80 : 29,524,824.90 = 8,315,050.20 : x
  2. Step 2: Convert to fraction form
    19,680,451.80/29,524,824.90 = 8,315,050.20/x
  3. Step 3: Cross multiply
    19,680,451.80x = 29,524,824.90 × 8,315,050.20
  4. Step 4: Simplify right side
    19,680,451.80x = 245,500,401,189,709.97
  5. Step 5: Solve for x
    x = 245,500,401,189,709.97/19,680,451.80
  6. Step 6: Final answer
    x = 12,474,327.50

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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.