Finding the Fourth Proportional to 14,631,903.08, 20,145,958.71 and 12,422,395.68
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Solution
The fourth proportional to 14,631,903.08, 20,145,958.71 and 12,422,395.68 is: 17,103,794.98
Step by Step Solution
- Step 1: Write the proportion equation
14,631,903.08 : 20,145,958.71 = 12,422,395.68 : x - Step 2: Convert to fraction form
14,631,903.08/20,145,958.71 = 12,422,395.68/x - Step 3: Cross multiply
14,631,903.08x = 20,145,958.71 × 12,422,395.68 - Step 4: Simplify right side
14,631,903.08x = 250,261,070,448,562.38 - Step 5: Solve for x
x = 250,261,070,448,562.38/14,631,903.08 - Step 6: Final answer
x = 17,103,794.98
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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.