Finding the Fourth Proportional to 21,506,331.35, 29,678,648.31 and 11,716,745.46
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Solution
The fourth proportional to 21,506,331.35, 29,678,648.31 and 11,716,745.46 is: 16,169,060.28
Step by Step Solution
- Step 1: Write the proportion equation
21,506,331.35 : 29,678,648.31 = 11,716,745.46 : x - Step 2: Convert to fraction form
21,506,331.35/29,678,648.31 = 11,716,745.46/x - Step 3: Cross multiply
21,506,331.35x = 29,678,648.31 × 11,716,745.46 - Step 4: Simplify right side
21,506,331.35x = 347,737,167,845,129.19 - Step 5: Solve for x
x = 347,737,167,845,129.19/21,506,331.35 - Step 6: Final answer
x = 16,169,060.28
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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.