Home / 14,980,103.94-20,693,706.58-11,920,403.46

Finding the Fourth Proportional to 14,980,103.94, 20,693,706.58 and 11,920,403.46

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Solution

The fourth proportional to 14,980,103.94, 20,693,706.58 and 11,920,403.46 is: 16,466,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980,103.94 : 20,693,706.58 = 11,920,403.46 : x
  2. Step 2: Convert to fraction form
    14,980,103.94/20,693,706.58 = 11,920,403.46/x
  3. Step 3: Cross multiply
    14,980,103.94x = 20,693,706.58 × 11,920,403.46
  4. Step 4: Simplify right side
    14,980,103.94x = 246,677,331,516,456.75
  5. Step 5: Solve for x
    x = 246,677,331,516,456.75/14,980,103.94
  6. Step 6: Final answer
    x = 16,466,997.33

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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.