Home / 20,969,285.94-28,936,683.81-11,677,335.30

Finding the Fourth Proportional to 20,969,285.94, 28,936,683.81 and 11,677,335.30

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Solution

The fourth proportional to 20,969,285.94, 28,936,683.81 and 11,677,335.30 is: 16,114,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,969,285.94 : 28,936,683.81 = 11,677,335.30 : x
  2. Step 2: Convert to fraction form
    20,969,285.94/28,936,683.81 = 11,677,335.30/x
  3. Step 3: Cross multiply
    20,969,285.94x = 28,936,683.81 × 11,677,335.30
  4. Step 4: Simplify right side
    20,969,285.94x = 337,903,359,319,451.50
  5. Step 5: Solve for x
    x = 337,903,359,319,451.50/20,969,285.94
  6. Step 6: Final answer
    x = 16,114,204.38

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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.