Home / 31,966,616.54-47,942,594.38-8,939,169.32

Finding the Fourth Proportional to 31,966,616.54, 47,942,594.38 and 8,939,169.32

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Solution

The fourth proportional to 31,966,616.54, 47,942,594.38 and 8,939,169.32 is: 13,406,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966,616.54 : 47,942,594.38 = 8,939,169.32 : x
  2. Step 2: Convert to fraction form
    31,966,616.54/47,942,594.38 = 8,939,169.32/x
  3. Step 3: Cross multiply
    31,966,616.54x = 47,942,594.38 × 8,939,169.32
  4. Step 4: Simplify right side
    31,966,616.54x = 428,566,968,574,361.38
  5. Step 5: Solve for x
    x = 428,566,968,574,361.38/31,966,616.54
  6. Step 6: Final answer
    x = 13,406,704.09

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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.