Home / 12,848,968.86-19,247,756.31-7,728,572.22

Finding the Fourth Proportional to 12,848,968.86, 19,247,756.31 and 7,728,572.22

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Solution

The fourth proportional to 12,848,968.86, 19,247,756.31 and 7,728,572.22 is: 11,577,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,968.86 : 19,247,756.31 = 7,728,572.22 : x
  2. Step 2: Convert to fraction form
    12,848,968.86/19,247,756.31 = 7,728,572.22/x
  3. Step 3: Cross multiply
    12,848,968.86x = 19,247,756.31 × 7,728,572.22
  4. Step 4: Simplify right side
    12,848,968.86x = 148,757,674,714,795.69
  5. Step 5: Solve for x
    x = 148,757,674,714,795.69/12,848,968.86
  6. Step 6: Final answer
    x = 11,577,401.76

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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.