Home / 13,442,920.65-20,164,380.98-4,467,472.65

Finding the Fourth Proportional to 13,442,920.65, 20,164,380.98 and 4,467,472.65

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Solution

The fourth proportional to 13,442,920.65, 20,164,380.98 and 4,467,472.65 is: 6,701,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,920.65 : 20,164,380.98 = 4,467,472.65 : x
  2. Step 2: Convert to fraction form
    13,442,920.65/20,164,380.98 = 4,467,472.65/x
  3. Step 3: Cross multiply
    13,442,920.65x = 20,164,380.98 × 4,467,472.65
  4. Step 4: Simplify right side
    13,442,920.65x = 90,083,820,509,992.84
  5. Step 5: Solve for x
    x = 90,083,820,509,992.84/13,442,920.65
  6. Step 6: Final answer
    x = 6,701,208.98

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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.