Home / 7,711,550.64-10,632,480.12-6,257,127.60

Finding the Fourth Proportional to 7,711,550.64, 10,632,480.12 and 6,257,127.60

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Solution

The fourth proportional to 7,711,550.64, 10,632,480.12 and 6,257,127.60 is: 8,627,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,550.64 : 10,632,480.12 = 6,257,127.60 : x
  2. Step 2: Convert to fraction form
    7,711,550.64/10,632,480.12 = 6,257,127.60/x
  3. Step 3: Cross multiply
    7,711,550.64x = 10,632,480.12 × 6,257,127.60
  4. Step 4: Simplify right side
    7,711,550.64x = 66,528,784,815,303.30
  5. Step 5: Solve for x
    x = 66,528,784,815,303.30/7,711,550.64
  6. Step 6: Final answer
    x = 8,627,160.47

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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.