Home / 9,150,889.60-12,617,920.56-7,491,880

Finding the Fourth Proportional to 9,150,889.60, 12,617,920.56 and 7,491,880

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Solution

The fourth proportional to 9,150,889.60, 12,617,920.56 and 7,491,880 is: 10,330,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150,889.60 : 12,617,920.56 = 7,491,880 : x
  2. Step 2: Convert to fraction form
    9,150,889.60/12,617,920.56 = 7,491,880/x
  3. Step 3: Cross multiply
    9,150,889.60x = 12,617,920.56 × 7,491,880
  4. Step 4: Simplify right side
    9,150,889.60x = 94,531,946,685,052.80
  5. Step 5: Solve for x
    x = 94,531,946,685,052.80/9,150,889.60
  6. Step 6: Final answer
    x = 10,330,355.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.