Home / 10,728,015.40-16,092,023.10-10,014,178.60

Finding the Fourth Proportional to 10,728,015.40, 16,092,023.10 and 10,014,178.60

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Solution

The fourth proportional to 10,728,015.40, 16,092,023.10 and 10,014,178.60 is: 15,021,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,015.40 : 16,092,023.10 = 10,014,178.60 : x
  2. Step 2: Convert to fraction form
    10,728,015.40/16,092,023.10 = 10,014,178.60/x
  3. Step 3: Cross multiply
    10,728,015.40x = 16,092,023.10 × 10,014,178.60
  4. Step 4: Simplify right side
    10,728,015.40x = 161,148,393,358,725.66
  5. Step 5: Solve for x
    x = 161,148,393,358,725.66/10,728,015.40
  6. Step 6: Final answer
    x = 15,021,267.90

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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.