Home / 7,764,807.69-10,715,512.55-4,280,270.25

Finding the Fourth Proportional to 7,764,807.69, 10,715,512.55 and 4,280,270.25

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Solution

The fourth proportional to 7,764,807.69, 10,715,512.55 and 4,280,270.25 is: 5,906,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,807.69 : 10,715,512.55 = 4,280,270.25 : x
  2. Step 2: Convert to fraction form
    7,764,807.69/10,715,512.55 = 4,280,270.25/x
  3. Step 3: Cross multiply
    7,764,807.69x = 10,715,512.55 × 4,280,270.25
  4. Step 4: Simplify right side
    7,764,807.69x = 45,865,289,559,865.29
  5. Step 5: Solve for x
    x = 45,865,289,559,865.29/7,764,807.69
  6. Step 6: Final answer
    x = 5,906,815.90

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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.