Home / 31,134,701.03-46,661,537.36-12,669,121.91

Finding the Fourth Proportional to 31,134,701.03, 46,661,537.36 and 12,669,121.91

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Solution

The fourth proportional to 31,134,701.03, 46,661,537.36 and 12,669,121.91 is: 18,987,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134,701.03 : 46,661,537.36 = 12,669,121.91 : x
  2. Step 2: Convert to fraction form
    31,134,701.03/46,661,537.36 = 12,669,121.91/x
  3. Step 3: Cross multiply
    31,134,701.03x = 46,661,537.36 × 12,669,121.91
  4. Step 4: Simplify right side
    31,134,701.03x = 591,160,705,470,186.12
  5. Step 5: Solve for x
    x = 591,160,705,470,186.12/31,134,701.03
  6. Step 6: Final answer
    x = 18,987,197.11

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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.