Home / 28,971,659.18-43,494,364.65-18,779,169.80

Finding the Fourth Proportional to 28,971,659.18, 43,494,364.65 and 18,779,169.80

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Solution

The fourth proportional to 28,971,659.18, 43,494,364.65 and 18,779,169.80 is: 28,192,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,659.18 : 43,494,364.65 = 18,779,169.80 : x
  2. Step 2: Convert to fraction form
    28,971,659.18/43,494,364.65 = 18,779,169.80/x
  3. Step 3: Cross multiply
    28,971,659.18x = 43,494,364.65 × 18,779,169.80
  4. Step 4: Simplify right side
    28,971,659.18x = 816,788,059,105,467.62
  5. Step 5: Solve for x
    x = 816,788,059,105,467.62/28,971,659.18
  6. Step 6: Final answer
    x = 28,192,657.31

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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.