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Finding the Fourth Proportional to 7,879,603.04, 10,874,018.49 and 4,441,844.07

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Solution

The fourth proportional to 7,879,603.04, 10,874,018.49 and 4,441,844.07 is: 6,129,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,603.04 : 10,874,018.49 = 4,441,844.07 : x
  2. Step 2: Convert to fraction form
    7,879,603.04/10,874,018.49 = 4,441,844.07/x
  3. Step 3: Cross multiply
    7,879,603.04x = 10,874,018.49 × 4,441,844.07
  4. Step 4: Simplify right side
    7,879,603.04x = 48,300,694,546,876.86
  5. Step 5: Solve for x
    x = 48,300,694,546,876.86/7,879,603.04
  6. Step 6: Final answer
    x = 6,129,838.56

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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.