Home / 21,932,861.13-30,269,379.38-12,143,305.45

Finding the Fourth Proportional to 21,932,861.13, 30,269,379.38 and 12,143,305.45

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Solution

The fourth proportional to 21,932,861.13, 30,269,379.38 and 12,143,305.45 is: 16,758,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,861.13 : 30,269,379.38 = 12,143,305.45 : x
  2. Step 2: Convert to fraction form
    21,932,861.13/30,269,379.38 = 12,143,305.45/x
  3. Step 3: Cross multiply
    21,932,861.13x = 30,269,379.38 × 12,143,305.45
  4. Step 4: Simplify right side
    21,932,861.13x = 367,570,319,570,391.81
  5. Step 5: Solve for x
    x = 367,570,319,570,391.81/21,932,861.13
  6. Step 6: Final answer
    x = 16,758,886.01

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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.