Finding the Fourth Proportional to 19,845,538.96, 29,724,907.42 and 14,070,768.18
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Solution
The fourth proportional to 19,845,538.96, 29,724,907.42 and 14,070,768.18 is: 21,075,380.33
Step by Step Solution
- Step 1: Write the proportion equation
19,845,538.96 : 29,724,907.42 = 14,070,768.18 : x - Step 2: Convert to fraction form
19,845,538.96/29,724,907.42 = 14,070,768.18/x - Step 3: Cross multiply
19,845,538.96x = 29,724,907.42 × 14,070,768.18 - Step 4: Simplify right side
19,845,538.96x = 418,252,281,478,781.94 - Step 5: Solve for x
x = 418,252,281,478,781.94/19,845,538.96 - Step 6: Final answer
x = 21,075,380.33
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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.