Home / 20,229,366.06-30,351,693.87-12,147,975.81

Finding the Fourth Proportional to 20,229,366.06, 30,351,693.87 and 12,147,975.81

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Solution

The fourth proportional to 20,229,366.06, 30,351,693.87 and 12,147,975.81 is: 18,226,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,366.06 : 30,351,693.87 = 12,147,975.81 : x
  2. Step 2: Convert to fraction form
    20,229,366.06/30,351,693.87 = 12,147,975.81/x
  3. Step 3: Cross multiply
    20,229,366.06x = 30,351,693.87 × 12,147,975.81
  4. Step 4: Simplify right side
    20,229,366.06x = 368,711,642,925,285.31
  5. Step 5: Solve for x
    x = 368,711,642,925,285.31/20,229,366.06
  6. Step 6: Final answer
    x = 18,226,554.50

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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.