Home / 13,319,321.85-19,970,892.29-5,222,597.01

Finding the Fourth Proportional to 13,319,321.85, 19,970,892.29 and 5,222,597.01

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Solution

The fourth proportional to 13,319,321.85, 19,970,892.29 and 5,222,597.01 is: 7,830,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,321.85 : 19,970,892.29 = 5,222,597.01 : x
  2. Step 2: Convert to fraction form
    13,319,321.85/19,970,892.29 = 5,222,597.01/x
  3. Step 3: Cross multiply
    13,319,321.85x = 19,970,892.29 × 5,222,597.01
  4. Step 4: Simplify right side
    13,319,321.85x = 104,299,922,360,786.05
  5. Step 5: Solve for x
    x = 104,299,922,360,786.05/13,319,321.85
  6. Step 6: Final answer
    x = 7,830,723.18

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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.