Home / 6,619,998.90-9,929,998.35-4,100,574.90

Finding the Fourth Proportional to 6,619,998.90, 9,929,998.35 and 4,100,574.90

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Solution

The fourth proportional to 6,619,998.90, 9,929,998.35 and 4,100,574.90 is: 6,150,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,998.90 : 9,929,998.35 = 4,100,574.90 : x
  2. Step 2: Convert to fraction form
    6,619,998.90/9,929,998.35 = 4,100,574.90/x
  3. Step 3: Cross multiply
    6,619,998.90x = 9,929,998.35 × 4,100,574.90
  4. Step 4: Simplify right side
    6,619,998.90x = 40,718,701,991,051.41
  5. Step 5: Solve for x
    x = 40,718,701,991,051.41/6,619,998.90
  6. Step 6: Final answer
    x = 6,150,862.35

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Similar ratio
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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.