Home / 11,112,750.40-16,669,125.60-4,723,211.20

Finding the Fourth Proportional to 11,112,750.40, 16,669,125.60 and 4,723,211.20

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Solution

The fourth proportional to 11,112,750.40, 16,669,125.60 and 4,723,211.20 is: 7,084,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,750.40 : 16,669,125.60 = 4,723,211.20 : x
  2. Step 2: Convert to fraction form
    11,112,750.40/16,669,125.60 = 4,723,211.20/x
  3. Step 3: Cross multiply
    11,112,750.40x = 16,669,125.60 × 4,723,211.20
  4. Step 4: Simplify right side
    11,112,750.40x = 78,731,800,728,126.72
  5. Step 5: Solve for x
    x = 78,731,800,728,126.72/11,112,750.40
  6. Step 6: Final answer
    x = 7,084,816.80

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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.