Home / 19,218,447.86-28,821,739.73-5,572,600.07

Finding the Fourth Proportional to 19,218,447.86, 28,821,739.73 and 5,572,600.07

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Solution

The fourth proportional to 19,218,447.86, 28,821,739.73 and 5,572,600.07 is: 8,357,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,447.86 : 28,821,739.73 = 5,572,600.07 : x
  2. Step 2: Convert to fraction form
    19,218,447.86/28,821,739.73 = 5,572,600.07/x
  3. Step 3: Cross multiply
    19,218,447.86x = 28,821,739.73 × 5,572,600.07
  4. Step 4: Simplify right side
    19,218,447.86x = 160,612,028,664,948.09
  5. Step 5: Solve for x
    x = 160,612,028,664,948.09/19,218,447.86
  6. Step 6: Final answer
    x = 8,357,180.03

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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.