Finding the Fourth Proportional to 19,845,645.12, 29,725,066.52 and 14,070,874.44
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Solution
The fourth proportional to 19,845,645.12, 29,725,066.52 and 14,070,874.44 is: 21,075,539.56
Step by Step Solution
- Step 1: Write the proportion equation
19,845,645.12 : 29,725,066.52 = 14,070,874.44 : x - Step 2: Convert to fraction form
19,845,645.12/29,725,066.52 = 14,070,874.44/x - Step 3: Cross multiply
19,845,645.12x = 29,725,066.52 × 14,070,874.44 - Step 4: Simplify right side
19,845,645.12x = 418,257,678,723,567.75 - Step 5: Solve for x
x = 418,257,678,723,567.75/19,845,645.12 - Step 6: Final answer
x = 21,075,539.56
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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.