Home / 12,970,053.66-17,898,745.56-7,089,697.47

Finding the Fourth Proportional to 12,970,053.66, 17,898,745.56 and 7,089,697.47

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Solution

The fourth proportional to 12,970,053.66, 17,898,745.56 and 7,089,697.47 is: 9,783,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970,053.66 : 17,898,745.56 = 7,089,697.47 : x
  2. Step 2: Convert to fraction form
    12,970,053.66/17,898,745.56 = 7,089,697.47/x
  3. Step 3: Cross multiply
    12,970,053.66x = 17,898,745.56 × 7,089,697.47
  4. Step 4: Simplify right side
    12,970,053.66x = 126,896,691,112,905.72
  5. Step 5: Solve for x
    x = 126,896,691,112,905.72/12,970,053.66
  6. Step 6: Final answer
    x = 9,783,821.60

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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.