Home / 28,971,657.18-43,494,361.65-18,779,167.80

Finding the Fourth Proportional to 28,971,657.18, 43,494,361.65 and 18,779,167.80

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Solution

The fourth proportional to 28,971,657.18, 43,494,361.65 and 18,779,167.80 is: 28,192,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,657.18 : 43,494,361.65 = 18,779,167.80 : x
  2. Step 2: Convert to fraction form
    28,971,657.18/43,494,361.65 = 18,779,167.80/x
  3. Step 3: Cross multiply
    28,971,657.18x = 43,494,361.65 × 18,779,167.80
  4. Step 4: Simplify right side
    28,971,657.18x = 816,787,915,779,234.88
  5. Step 5: Solve for x
    x = 816,787,915,779,234.88/28,971,657.18
  6. Step 6: Final answer
    x = 28,192,654.31

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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.