Home / 22,051,756.96-30,431,449.54-12,261,990.84

Finding the Fourth Proportional to 22,051,756.96, 30,431,449.54 and 12,261,990.84

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Solution

The fourth proportional to 22,051,756.96, 30,431,449.54 and 12,261,990.84 is: 16,921,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051,756.96 : 30,431,449.54 = 12,261,990.84 : x
  2. Step 2: Convert to fraction form
    22,051,756.96/30,431,449.54 = 12,261,990.84/x
  3. Step 3: Cross multiply
    22,051,756.96x = 30,431,449.54 × 12,261,990.84
  4. Step 4: Simplify right side
    22,051,756.96x = 373,150,155,507,402.19
  5. Step 5: Solve for x
    x = 373,150,155,507,402.19/22,051,756.96
  6. Step 6: Final answer
    x = 16,921,561.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.