Finding the Fourth Proportional to 21,125,879.13, 29,153,884.41 and 11,706,827.46
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Solution
The fourth proportional to 21,125,879.13, 29,153,884.41 and 11,706,827.46 is: 16,155,516.77
Step by Step Solution
- Step 1: Write the proportion equation
21,125,879.13 : 29,153,884.41 = 11,706,827.46 : x - Step 2: Convert to fraction form
21,125,879.13/29,153,884.41 = 11,706,827.46/x - Step 3: Cross multiply
21,125,879.13x = 29,153,884.41 × 11,706,827.46 - Step 4: Simplify right side
21,125,879.13x = 341,299,494,576,653.94 - Step 5: Solve for x
x = 341,299,494,576,653.94/21,125,879.13 - Step 6: Final answer
x = 16,155,516.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.