Home / 15,918,779.43-21,968,694-8,951,649.43

Finding the Fourth Proportional to 15,918,779.43, 21,968,694 and 8,951,649.43

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Solution

The fourth proportional to 15,918,779.43, 21,968,694 and 8,951,649.43 is: 12,353,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,779.43 : 21,968,694 = 8,951,649.43 : x
  2. Step 2: Convert to fraction form
    15,918,779.43/21,968,694 = 8,951,649.43/x
  3. Step 3: Cross multiply
    15,918,779.43x = 21,968,694 × 8,951,649.43
  4. Step 4: Simplify right side
    15,918,779.43x = 196,656,047,122,944.41
  5. Step 5: Solve for x
    x = 196,656,047,122,944.41/15,918,779.43
  6. Step 6: Final answer
    x = 12,353,713.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.