Home / 20,140,194.93-30,231,420.84-17,849,342.81

Finding the Fourth Proportional to 20,140,194.93, 30,231,420.84 and 17,849,342.81

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Solution

The fourth proportional to 20,140,194.93, 30,231,420.84 and 17,849,342.81 is: 26,792,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,194.93 : 30,231,420.84 = 17,849,342.81 : x
  2. Step 2: Convert to fraction form
    20,140,194.93/30,231,420.84 = 17,849,342.81/x
  3. Step 3: Cross multiply
    20,140,194.93x = 30,231,420.84 × 17,849,342.81
  4. Step 4: Simplify right side
    20,140,194.93x = 539,610,994,055,381.06
  5. Step 5: Solve for x
    x = 539,610,994,055,381.06/20,140,194.93
  6. Step 6: Final answer
    x = 26,792,739.39

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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.