Home / 12,201,816.86-16,840,000.67-7,045,169.74

Finding the Fourth Proportional to 12,201,816.86, 16,840,000.67 and 7,045,169.74

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Solution

The fourth proportional to 12,201,816.86, 16,840,000.67 and 7,045,169.74 is: 9,723,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,816.86 : 16,840,000.67 = 7,045,169.74 : x
  2. Step 2: Convert to fraction form
    12,201,816.86/16,840,000.67 = 7,045,169.74/x
  3. Step 3: Cross multiply
    12,201,816.86x = 16,840,000.67 × 7,045,169.74
  4. Step 4: Simplify right side
    12,201,816.86x = 118,640,663,141,863.73
  5. Step 5: Solve for x
    x = 118,640,663,141,863.73/12,201,816.86
  6. Step 6: Final answer
    x = 9,723,196.51

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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.