Home / 10,675,999.90-16,013,999.85-10,179,988.30

Finding the Fourth Proportional to 10,675,999.90, 16,013,999.85 and 10,179,988.30

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Solution

The fourth proportional to 10,675,999.90, 16,013,999.85 and 10,179,988.30 is: 15,269,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675,999.90 : 16,013,999.85 = 10,179,988.30 : x
  2. Step 2: Convert to fraction form
    10,675,999.90/16,013,999.85 = 10,179,988.30/x
  3. Step 3: Cross multiply
    10,675,999.90x = 16,013,999.85 × 10,179,988.30
  4. Step 4: Simplify right side
    10,675,999.90x = 163,022,331,109,201.75
  5. Step 5: Solve for x
    x = 163,022,331,109,201.75/10,675,999.90
  6. Step 6: Final answer
    x = 15,269,982.45

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1.5x scale

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.