Home / 8,792,409.20-13,188,613.80-7,299,417.20

Finding the Fourth Proportional to 8,792,409.20, 13,188,613.80 and 7,299,417.20

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Solution

The fourth proportional to 8,792,409.20, 13,188,613.80 and 7,299,417.20 is: 10,949,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,409.20 : 13,188,613.80 = 7,299,417.20 : x
  2. Step 2: Convert to fraction form
    8,792,409.20/13,188,613.80 = 7,299,417.20/x
  3. Step 3: Cross multiply
    8,792,409.20x = 13,188,613.80 × 7,299,417.20
  4. Step 4: Simplify right side
    8,792,409.20x = 96,269,194,415,877.38
  5. Step 5: Solve for x
    x = 96,269,194,415,877.38/8,792,409.20
  6. Step 6: Final answer
    x = 10,949,125.80

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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.