Finding the Fourth Proportional to 12,728,248.08, 19,067,177.76 and 11,132,612.88
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Solution
The fourth proportional to 12,728,248.08, 19,067,177.76 and 11,132,612.88 is: 16,676,883.37
Step by Step Solution
- Step 1: Write the proportion equation
12,728,248.08 : 19,067,177.76 = 11,132,612.88 : x - Step 2: Convert to fraction form
12,728,248.08/19,067,177.76 = 11,132,612.88/x - Step 3: Cross multiply
12,728,248.08x = 19,067,177.76 × 11,132,612.88 - Step 4: Simplify right side
12,728,248.08x = 212,267,508,716,225.59 - Step 5: Solve for x
x = 212,267,508,716,225.59/12,728,248.08 - Step 6: Final answer
x = 16,676,883.37
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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.