Home / 15,279,943.50-21,089,317.41-8,757,944.37

Finding the Fourth Proportional to 15,279,943.50, 21,089,317.41 and 8,757,944.37

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Solution

The fourth proportional to 15,279,943.50, 21,089,317.41 and 8,757,944.37 is: 12,087,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,943.50 : 21,089,317.41 = 8,757,944.37 : x
  2. Step 2: Convert to fraction form
    15,279,943.50/21,089,317.41 = 8,757,944.37/x
  3. Step 3: Cross multiply
    15,279,943.50x = 21,089,317.41 × 8,757,944.37
  4. Step 4: Simplify right side
    15,279,943.50x = 184,699,068,678,052.47
  5. Step 5: Solve for x
    x = 184,699,068,678,052.47/15,279,943.50
  6. Step 6: Final answer
    x = 12,087,680.08

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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.