Finding the Fourth Proportional to 16,158,405.18, 22,272,550.39 and 10,929,506.48
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Solution
The fourth proportional to 16,158,405.18, 22,272,550.39 and 10,929,506.48 is: 15,065,099.62
Step by Step Solution
- Step 1: Write the proportion equation
16,158,405.18 : 22,272,550.39 = 10,929,506.48 : x - Step 2: Convert to fraction form
16,158,405.18/22,272,550.39 = 10,929,506.48/x - Step 3: Cross multiply
16,158,405.18x = 22,272,550.39 × 10,929,506.48 - Step 4: Simplify right side
16,158,405.18x = 243,427,983,702,268.78 - Step 5: Solve for x
x = 243,427,983,702,268.78/16,158,405.18 - Step 6: Final answer
x = 15,065,099.62
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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.