Home / 13,879,404.57-19,152,953.21-7,684,016.30

Finding the Fourth Proportional to 13,879,404.57, 19,152,953.21 and 7,684,016.30

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Solution

The fourth proportional to 13,879,404.57, 19,152,953.21 and 7,684,016.30 is: 10,603,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,404.57 : 19,152,953.21 = 7,684,016.30 : x
  2. Step 2: Convert to fraction form
    13,879,404.57/19,152,953.21 = 7,684,016.30/x
  3. Step 3: Cross multiply
    13,879,404.57x = 19,152,953.21 × 7,684,016.30
  4. Step 4: Simplify right side
    13,879,404.57x = 147,171,604,654,046.16
  5. Step 5: Solve for x
    x = 147,171,604,654,046.16/13,879,404.57
  6. Step 6: Final answer
    x = 10,603,596.42

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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.