Home / 11,135,428.60-16,703,142.90-8,616,004.60

Finding the Fourth Proportional to 11,135,428.60, 16,703,142.90 and 8,616,004.60

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Solution

The fourth proportional to 11,135,428.60, 16,703,142.90 and 8,616,004.60 is: 12,924,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135,428.60 : 16,703,142.90 = 8,616,004.60 : x
  2. Step 2: Convert to fraction form
    11,135,428.60/16,703,142.90 = 8,616,004.60/x
  3. Step 3: Cross multiply
    11,135,428.60x = 16,703,142.90 × 8,616,004.60
  4. Step 4: Simplify right side
    11,135,428.60x = 143,914,356,060,857.34
  5. Step 5: Solve for x
    x = 143,914,356,060,857.34/11,135,428.60
  6. Step 6: Final answer
    x = 12,924,006.90

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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.