Home / 9,330,607.81-12,846,935.67-7,932,418.21

Finding the Fourth Proportional to 9,330,607.81, 12,846,935.67 and 7,932,418.21

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Solution

The fourth proportional to 9,330,607.81, 12,846,935.67 and 7,932,418.21 is: 10,921,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330,607.81 : 12,846,935.67 = 7,932,418.21 : x
  2. Step 2: Convert to fraction form
    9,330,607.81/12,846,935.67 = 7,932,418.21/x
  3. Step 3: Cross multiply
    9,330,607.81x = 12,846,935.67 × 7,932,418.21
  4. Step 4: Simplify right side
    9,330,607.81x = 101,907,266,451,406.55
  5. Step 5: Solve for x
    x = 101,907,266,451,406.55/9,330,607.81
  6. Step 6: Final answer
    x = 10,921,825.09

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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.