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Finding the Fourth Proportional to 8,441,698.34, 12,663,808.67 and 2,684,619.79

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Solution

The fourth proportional to 8,441,698.34, 12,663,808.67 and 2,684,619.79 is: 4,027,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441,698.34 : 12,663,808.67 = 2,684,619.79 : x
  2. Step 2: Convert to fraction form
    8,441,698.34/12,663,808.67 = 2,684,619.79/x
  3. Step 3: Cross multiply
    8,441,698.34x = 12,663,808.67 × 2,684,619.79
  4. Step 4: Simplify right side
    8,441,698.34x = 33,997,511,349,580.67
  5. Step 5: Solve for x
    x = 33,997,511,349,580.67/8,441,698.34
  6. Step 6: Final answer
    x = 4,027,330.75

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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.