Home / 6,657,746.40-9,986,619.60-6,396,472.80

Finding the Fourth Proportional to 6,657,746.40, 9,986,619.60 and 6,396,472.80

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Solution

The fourth proportional to 6,657,746.40, 9,986,619.60 and 6,396,472.80 is: 9,594,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657,746.40 : 9,986,619.60 = 6,396,472.80 : x
  2. Step 2: Convert to fraction form
    6,657,746.40/9,986,619.60 = 6,396,472.80/x
  3. Step 3: Cross multiply
    6,657,746.40x = 9,986,619.60 × 6,396,472.80
  4. Step 4: Simplify right side
    6,657,746.40x = 63,879,140,635,346.88
  5. Step 5: Solve for x
    x = 63,879,140,635,346.88/6,657,746.40
  6. Step 6: Final answer
    x = 9,594,709.20

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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.