Home / 28,776,110.76-43,194,893.58-12,389,510.52

Finding the Fourth Proportional to 28,776,110.76, 43,194,893.58 and 12,389,510.52

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Solution

The fourth proportional to 28,776,110.76, 43,194,893.58 and 12,389,510.52 is: 18,597,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,110.76 : 43,194,893.58 = 12,389,510.52 : x
  2. Step 2: Convert to fraction form
    28,776,110.76/43,194,893.58 = 12,389,510.52/x
  3. Step 3: Cross multiply
    28,776,110.76x = 43,194,893.58 × 12,389,510.52
  4. Step 4: Simplify right side
    28,776,110.76x = 535,163,588,419,690.44
  5. Step 5: Solve for x
    x = 535,163,588,419,690.44/28,776,110.76
  6. Step 6: Final answer
    x = 18,597,495.43

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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.