Home / 20,570,240.55-30,855,623.27-14,178,776.79

Finding the Fourth Proportional to 20,570,240.55, 30,855,623.27 and 14,178,776.79

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Solution

The fourth proportional to 20,570,240.55, 30,855,623.27 and 14,178,776.79 is: 21,268,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,570,240.55 : 30,855,623.27 = 14,178,776.79 : x
  2. Step 2: Convert to fraction form
    20,570,240.55/30,855,623.27 = 14,178,776.79/x
  3. Step 3: Cross multiply
    20,570,240.55x = 30,855,623.27 × 14,178,776.79
  4. Step 4: Simplify right side
    20,570,240.55x = 437,494,994,990,766
  5. Step 5: Solve for x
    x = 437,494,994,990,766/20,570,240.55
  6. Step 6: Final answer
    x = 21,268,346.08

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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.