Home / 21,336,311.26-29,424,123.62-14,162,833.45

Finding the Fourth Proportional to 21,336,311.26, 29,424,123.62 and 14,162,833.45

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Solution

The fourth proportional to 21,336,311.26, 29,424,123.62 and 14,162,833.45 is: 19,531,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336,311.26 : 29,424,123.62 = 14,162,833.45 : x
  2. Step 2: Convert to fraction form
    21,336,311.26/29,424,123.62 = 14,162,833.45/x
  3. Step 3: Cross multiply
    21,336,311.26x = 29,424,123.62 × 14,162,833.45
  4. Step 4: Simplify right side
    21,336,311.26x = 416,728,962,296,988.81
  5. Step 5: Solve for x
    x = 416,728,962,296,988.81/21,336,311.26
  6. Step 6: Final answer
    x = 19,531,443.71

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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.