Finding the Fourth Proportional to 19,936,893.30, 29,905,339.95 and 14,898,045.30
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Solution
The fourth proportional to 19,936,893.30, 29,905,339.95 and 14,898,045.30 is: 22,347,067.95
Step by Step Solution
- Step 1: Write the proportion equation
19,936,893.30 : 29,905,339.95 = 14,898,045.30 : x - Step 2: Convert to fraction form
19,936,893.30/29,905,339.95 = 14,898,045.30/x - Step 3: Cross multiply
19,936,893.30x = 29,905,339.95 × 14,898,045.30 - Step 4: Simplify right side
19,936,893.30x = 445,531,109,286,999.75 - Step 5: Solve for x
x = 445,531,109,286,999.75/19,936,893.30 - Step 6: Final answer
x = 22,347,067.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.