Finding the Fourth Proportional to 19,635,228.36, 29,442,617.24 and 7,329,073.08
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Solution
The fourth proportional to 19,635,228.36, 29,442,617.24 and 7,329,073.08 is: 10,989,792.91
Step by Step Solution
- Step 1: Write the proportion equation
19,635,228.36 : 29,442,617.24 = 7,329,073.08 : x - Step 2: Convert to fraction form
19,635,228.36/29,442,617.24 = 7,329,073.08/x - Step 3: Cross multiply
19,635,228.36x = 29,442,617.24 × 7,329,073.08 - Step 4: Simplify right side
19,635,228.36x = 215,787,093,492,192.34 - Step 5: Solve for x
x = 215,787,093,492,192.34/19,635,228.36 - Step 6: Final answer
x = 10,989,792.91
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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.