Finding the Fourth Proportional to 19,067,643.18, 26,312,230.21 and 10,365,739.68
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Solution
The fourth proportional to 19,067,643.18, 26,312,230.21 and 10,365,739.68 is: 14,304,113.31
Step by Step Solution
- Step 1: Write the proportion equation
19,067,643.18 : 26,312,230.21 = 10,365,739.68 : x - Step 2: Convert to fraction form
19,067,643.18/26,312,230.21 = 10,365,739.68/x - Step 3: Cross multiply
19,067,643.18x = 26,312,230.21 × 10,365,739.68 - Step 4: Simplify right side
19,067,643.18x = 272,745,728,693,120 - Step 5: Solve for x
x = 272,745,728,693,120/19,067,643.18 - Step 6: Final answer
x = 14,304,113.31
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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.