Home / 12,168,927.56-16,794,052.74-6,942,050.78

Finding the Fourth Proportional to 12,168,927.56, 16,794,052.74 and 6,942,050.78

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Solution

The fourth proportional to 12,168,927.56, 16,794,052.74 and 6,942,050.78 is: 9,580,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,927.56 : 16,794,052.74 = 6,942,050.78 : x
  2. Step 2: Convert to fraction form
    12,168,927.56/16,794,052.74 = 6,942,050.78/x
  3. Step 3: Cross multiply
    12,168,927.56x = 16,794,052.74 × 6,942,050.78
  4. Step 4: Simplify right side
    12,168,927.56x = 116,585,166,923,078.12
  5. Step 5: Solve for x
    x = 116,585,166,923,078.12/12,168,927.56
  6. Step 6: Final answer
    x = 9,580,562.16

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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.