Home / 21,054,512.93-29,039,229.18-18,119,211.84

Finding the Fourth Proportional to 21,054,512.93, 29,039,229.18 and 18,119,211.84

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Solution

The fourth proportional to 21,054,512.93, 29,039,229.18 and 18,119,211.84 is: 24,990,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,512.93 : 29,039,229.18 = 18,119,211.84 : x
  2. Step 2: Convert to fraction form
    21,054,512.93/29,039,229.18 = 18,119,211.84/x
  3. Step 3: Cross multiply
    21,054,512.93x = 29,039,229.18 × 18,119,211.84
  4. Step 4: Simplify right side
    21,054,512.93x = 526,167,945,182,729.50
  5. Step 5: Solve for x
    x = 526,167,945,182,729.50/21,054,512.93
  6. Step 6: Final answer
    x = 24,990,744.12

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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.