Home / 21,932,702.63-30,269,160.00-12,143,146.81

Finding the Fourth Proportional to 21,932,702.63, 30,269,160.00 and 12,143,146.81

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Solution

The fourth proportional to 21,932,702.63, 30,269,160.00 and 12,143,146.81 is: 16,758,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932,702.63 : 30,269,160.00 = 12,143,146.81 : x
  2. Step 2: Convert to fraction form
    21,932,702.63/30,269,160.00 = 12,143,146.81/x
  3. Step 3: Cross multiply
    21,932,702.63x = 30,269,160.00 × 12,143,146.81
  4. Step 4: Simplify right side
    21,932,702.63x = 367,562,853,879,119.56
  5. Step 5: Solve for x
    x = 367,562,853,879,119.56/21,932,702.63
  6. Step 6: Final answer
    x = 16,758,666.73

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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.