Home / 8,300,246.60-12,450,369.90-2,619,732.80

Finding the Fourth Proportional to 8,300,246.60, 12,450,369.90 and 2,619,732.80

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Solution

The fourth proportional to 8,300,246.60, 12,450,369.90 and 2,619,732.80 is: 3,929,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,246.60 : 12,450,369.90 = 2,619,732.80 : x
  2. Step 2: Convert to fraction form
    8,300,246.60/12,450,369.90 = 2,619,732.80/x
  3. Step 3: Cross multiply
    8,300,246.60x = 12,450,369.90 × 2,619,732.80
  4. Step 4: Simplify right side
    8,300,246.60x = 32,616,642,399,162.72
  5. Step 5: Solve for x
    x = 32,616,642,399,162.72/8,300,246.60
  6. Step 6: Final answer
    x = 3,929,599.20

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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.