Home / 10,278,115.98-15,417,185.31-3,089,649.36

Finding the Fourth Proportional to 10,278,115.98, 15,417,185.31 and 3,089,649.36

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Solution

The fourth proportional to 10,278,115.98, 15,417,185.31 and 3,089,649.36 is: 4,634,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,115.98 : 15,417,185.31 = 3,089,649.36 : x
  2. Step 2: Convert to fraction form
    10,278,115.98/15,417,185.31 = 3,089,649.36/x
  3. Step 3: Cross multiply
    10,278,115.98x = 15,417,185.31 × 3,089,649.36
  4. Step 4: Simplify right side
    10,278,115.98x = 47,633,696,726,042.90
  5. Step 5: Solve for x
    x = 47,633,696,726,042.90/10,278,115.98
  6. Step 6: Final answer
    x = 4,634,477.45

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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.