Finding the Fourth Proportional to 29,982,643.29, 41,382,878.27 and 19,510,204.05
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Solution
The fourth proportional to 29,982,643.29, 41,382,878.27 and 19,510,204.05 is: 26,928,526.32
Step by Step Solution
- Step 1: Write the proportion equation
29,982,643.29 : 41,382,878.27 = 19,510,204.05 : x - Step 2: Convert to fraction form
29,982,643.29/41,382,878.27 = 19,510,204.05/x - Step 3: Cross multiply
29,982,643.29x = 41,382,878.27 × 19,510,204.05 - Step 4: Simplify right side
29,982,643.29x = 807,388,399,126,460 - Step 5: Solve for x
x = 807,388,399,126,460/29,982,643.29 - Step 6: Final answer
x = 26,928,526.32
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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.