Home / 8,150,541.60-12,225,812.40-7,268,743.20

Finding the Fourth Proportional to 8,150,541.60, 12,225,812.40 and 7,268,743.20

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Solution

The fourth proportional to 8,150,541.60, 12,225,812.40 and 7,268,743.20 is: 10,903,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,541.60 : 12,225,812.40 = 7,268,743.20 : x
  2. Step 2: Convert to fraction form
    8,150,541.60/12,225,812.40 = 7,268,743.20/x
  3. Step 3: Cross multiply
    8,150,541.60x = 12,225,812.40 × 7,268,743.20
  4. Step 4: Simplify right side
    8,150,541.60x = 88,866,290,746,975.69
  5. Step 5: Solve for x
    x = 88,866,290,746,975.69/8,150,541.60
  6. Step 6: Final answer
    x = 10,903,114.80

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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.