Home / 18,926,444.00-28,389,893.51-5,278,759.67

Finding the Fourth Proportional to 18,926,444.00, 28,389,893.51 and 5,278,759.67

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Solution

The fourth proportional to 18,926,444.00, 28,389,893.51 and 5,278,759.67 is: 7,918,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926,444.00 : 28,389,893.51 = 5,278,759.67 : x
  2. Step 2: Convert to fraction form
    18,926,444.00/28,389,893.51 = 5,278,759.67/x
  3. Step 3: Cross multiply
    18,926,444.00x = 28,389,893.51 × 5,278,759.67
  4. Step 4: Simplify right side
    18,926,444.00x = 149,863,424,980,354.38
  5. Step 5: Solve for x
    x = 149,863,424,980,354.38/18,926,444.00
  6. Step 6: Final answer
    x = 7,918,202.96

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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.