Finding the Fourth Proportional to 19,722,315.82, 29,583,473.80 and 5,345,383.63
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Solution
The fourth proportional to 19,722,315.82, 29,583,473.80 and 5,345,383.63 is: 8,018,075.46
Step by Step Solution
- Step 1: Write the proportion equation
19,722,315.82 : 29,583,473.80 = 5,345,383.63 : x - Step 2: Convert to fraction form
19,722,315.82/29,583,473.80 = 5,345,383.63/x - Step 3: Cross multiply
19,722,315.82x = 29,583,473.80 × 5,345,383.63 - Step 4: Simplify right side
19,722,315.82x = 158,135,016,569,053.91 - Step 5: Solve for x
x = 158,135,016,569,053.91/19,722,315.82 - Step 6: Final answer
x = 8,018,075.46
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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.