Finding the Fourth Proportional to 19,067,649.68, 26,312,239.18 and 10,365,746.20
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Solution
The fourth proportional to 19,067,649.68, 26,312,239.18 and 10,365,746.20 is: 14,304,122.32
Step by Step Solution
- Step 1: Write the proportion equation
19,067,649.68 : 26,312,239.18 = 10,365,746.20 : x - Step 2: Convert to fraction form
19,067,649.68/26,312,239.18 = 10,365,746.20/x - Step 3: Cross multiply
19,067,649.68x = 26,312,239.18 × 10,365,746.20 - Step 4: Simplify right side
19,067,649.68x = 272,745,993,293,576.09 - Step 5: Solve for x
x = 272,745,993,293,576.09/19,067,649.68 - Step 6: Final answer
x = 14,304,122.32
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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.