Home / 28,319,555.84-42,419,606.40-19,227,234.56

Finding the Fourth Proportional to 28,319,555.84, 42,419,606.40 and 19,227,234.56

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Solution

The fourth proportional to 28,319,555.84, 42,419,606.40 and 19,227,234.56 is: 28,800,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319,555.84 : 42,419,606.40 = 19,227,234.56 : x
  2. Step 2: Convert to fraction form
    28,319,555.84/42,419,606.40 = 19,227,234.56/x
  3. Step 3: Cross multiply
    28,319,555.84x = 42,419,606.40 × 19,227,234.56
  4. Step 4: Simplify right side
    28,319,555.84x = 815,611,722,195,677.12
  5. Step 5: Solve for x
    x = 815,611,722,195,677.12/28,319,555.84
  6. Step 6: Final answer
    x = 28,800,300.64

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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.