Home / 12,970,048.08-17,898,736.68-7,089,690.27

Finding the Fourth Proportional to 12,970,048.08, 17,898,736.68 and 7,089,690.27

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Solution

The fourth proportional to 12,970,048.08, 17,898,736.68 and 7,089,690.27 is: 9,783,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970,048.08 : 17,898,736.68 = 7,089,690.27 : x
  2. Step 2: Convert to fraction form
    12,970,048.08/17,898,736.68 = 7,089,690.27/x
  3. Step 3: Cross multiply
    12,970,048.08x = 17,898,736.68 × 7,089,690.27
  4. Step 4: Simplify right side
    12,970,048.08x = 126,896,499,285,488.09
  5. Step 5: Solve for x
    x = 126,896,499,285,488.09/12,970,048.08
  6. Step 6: Final answer
    x = 9,783,811.02

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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.