Home / 31,496,790.80-47,245,186.20-7,562,262.80

Finding the Fourth Proportional to 31,496,790.80, 47,245,186.20 and 7,562,262.80

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Solution

The fourth proportional to 31,496,790.80, 47,245,186.20 and 7,562,262.80 is: 11,343,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,496,790.80 : 47,245,186.20 = 7,562,262.80 : x
  2. Step 2: Convert to fraction form
    31,496,790.80/47,245,186.20 = 7,562,262.80/x
  3. Step 3: Cross multiply
    31,496,790.80x = 47,245,186.20 × 7,562,262.80
  4. Step 4: Simplify right side
    31,496,790.80x = 357,280,514,079,333.38
  5. Step 5: Solve for x
    x = 357,280,514,079,333.38/31,496,790.80
  6. Step 6: Final answer
    x = 11,343,394.20

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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.