Finding the Fourth Proportional to 13,841,626.44, 19,101,990.84 and 7,961,251.23
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Solution
The fourth proportional to 13,841,626.44, 19,101,990.84 and 7,961,251.23 is: 10,986,840.94
Step by Step Solution
- Step 1: Write the proportion equation
13,841,626.44 : 19,101,990.84 = 7,961,251.23 : x - Step 2: Convert to fraction form
13,841,626.44/19,101,990.84 = 7,961,251.23/x - Step 3: Cross multiply
13,841,626.44x = 19,101,990.84 × 7,961,251.23 - Step 4: Simplify right side
13,841,626.44x = 152,075,748,070,398.75 - Step 5: Solve for x
x = 152,075,748,070,398.75/13,841,626.44 - Step 6: Final answer
x = 10,986,840.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.