Home / 6,898,548.80-10,347,823.20-6,378,917.60

Finding the Fourth Proportional to 6,898,548.80, 10,347,823.20 and 6,378,917.60

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Solution

The fourth proportional to 6,898,548.80, 10,347,823.20 and 6,378,917.60 is: 9,568,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,548.80 : 10,347,823.20 = 6,378,917.60 : x
  2. Step 2: Convert to fraction form
    6,898,548.80/10,347,823.20 = 6,378,917.60/x
  3. Step 3: Cross multiply
    6,898,548.80x = 10,347,823.20 × 6,378,917.60
  4. Step 4: Simplify right side
    6,898,548.80x = 66,007,911,532,168.31
  5. Step 5: Solve for x
    x = 66,007,911,532,168.31/6,898,548.80
  6. Step 6: Final answer
    x = 9,568,376.40

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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.