Home / 12,177,076.68-16,792,773.78-7,281,520.92

Finding the Fourth Proportional to 12,177,076.68, 16,792,773.78 and 7,281,520.92

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Solution

The fourth proportional to 12,177,076.68, 16,792,773.78 and 7,281,520.92 is: 10,041,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,076.68 : 16,792,773.78 = 7,281,520.92 : x
  2. Step 2: Convert to fraction form
    12,177,076.68/16,792,773.78 = 7,281,520.92/x
  3. Step 3: Cross multiply
    12,177,076.68x = 16,792,773.78 × 7,281,520.92
  4. Step 4: Simplify right side
    12,177,076.68x = 122,276,933,583,897.48
  5. Step 5: Solve for x
    x = 122,276,933,583,897.48/12,177,076.68
  6. Step 6: Final answer
    x = 10,041,567.18

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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.