Home / 14,984,188.92-20,678,180.79-8,108,671.05

Finding the Fourth Proportional to 14,984,188.92, 20,678,180.79 and 8,108,671.05

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Solution

The fourth proportional to 14,984,188.92, 20,678,180.79 and 8,108,671.05 is: 11,189,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,188.92 : 20,678,180.79 = 8,108,671.05 : x
  2. Step 2: Convert to fraction form
    14,984,188.92/20,678,180.79 = 8,108,671.05/x
  3. Step 3: Cross multiply
    14,984,188.92x = 20,678,180.79 × 8,108,671.05
  4. Step 4: Simplify right side
    14,984,188.92x = 167,672,565,938,539.12
  5. Step 5: Solve for x
    x = 167,672,565,938,539.12/14,984,188.92
  6. Step 6: Final answer
    x = 11,189,966.09

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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.