Home / 38,190,495.79-57,245,634.24-18,732,779.88

Finding the Fourth Proportional to 38,190,495.79, 57,245,634.24 and 18,732,779.88

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Solution

The fourth proportional to 38,190,495.79, 57,245,634.24 and 18,732,779.88 is: 28,079,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190,495.79 : 57,245,634.24 = 18,732,779.88 : x
  2. Step 2: Convert to fraction form
    38,190,495.79/57,245,634.24 = 18,732,779.88/x
  3. Step 3: Cross multiply
    38,190,495.79x = 57,245,634.24 × 18,732,779.88
  4. Step 4: Simplify right side
    38,190,495.79x = 1,072,369,865,308,911.12
  5. Step 5: Solve for x
    x = 1,072,369,865,308,911.12/38,190,495.79
  6. Step 6: Final answer
    x = 28,079,495.78

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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.