Finding the Fourth Proportional to 16,120,957.66, 22,246,922.97 and 8,778,788.59
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Solution
The fourth proportional to 16,120,957.66, 22,246,922.97 and 8,778,788.59 is: 12,114,729.02
Step by Step Solution
- Step 1: Write the proportion equation
16,120,957.66 : 22,246,922.97 = 8,778,788.59 : x - Step 2: Convert to fraction form
16,120,957.66/22,246,922.97 = 8,778,788.59/x - Step 3: Cross multiply
16,120,957.66x = 22,246,922.97 × 8,778,788.59 - Step 4: Simplify right side
16,120,957.66x = 195,301,033,531,644.91 - Step 5: Solve for x
x = 195,301,033,531,644.91/16,120,957.66 - Step 6: Final answer
x = 12,114,729.02
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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.