Home / 21,840,790.56-30,140,268.09-12,051,234.17

Finding the Fourth Proportional to 21,840,790.56, 30,140,268.09 and 12,051,234.17

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Solution

The fourth proportional to 21,840,790.56, 30,140,268.09 and 12,051,234.17 is: 16,630,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840,790.56 : 30,140,268.09 = 12,051,234.17 : x
  2. Step 2: Convert to fraction form
    21,840,790.56/30,140,268.09 = 12,051,234.17/x
  3. Step 3: Cross multiply
    21,840,790.56x = 30,140,268.09 × 12,051,234.17
  4. Step 4: Simplify right side
    21,840,790.56x = 363,227,428,699,168.62
  5. Step 5: Solve for x
    x = 363,227,428,699,168.62/21,840,790.56
  6. Step 6: Final answer
    x = 16,630,690.53

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1.5x scale

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.