Home / 43,959,412.88-65,922,556.40-18,402,189.20

Finding the Fourth Proportional to 43,959,412.88, 65,922,556.40 and 18,402,189.20

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Solution

The fourth proportional to 43,959,412.88, 65,922,556.40 and 18,402,189.20 is: 27,596,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,959,412.88 : 65,922,556.40 = 18,402,189.20 : x
  2. Step 2: Convert to fraction form
    43,959,412.88/65,922,556.40 = 18,402,189.20/x
  3. Step 3: Cross multiply
    43,959,412.88x = 65,922,556.40 × 18,402,189.20
  4. Step 4: Simplify right side
    43,959,412.88x = 1,213,119,355,420,470.75
  5. Step 5: Solve for x
    x = 1,213,119,355,420,470.75/43,959,412.88
  6. Step 6: Final answer
    x = 27,596,350.27

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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.