Finding the Fourth Proportional to 19,646,543.52, 27,112,245.08 and 10,944,737.82
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Solution
The fourth proportional to 19,646,543.52, 27,112,245.08 and 10,944,737.82 is: 15,103,746.56
Step by Step Solution
- Step 1: Write the proportion equation
19,646,543.52 : 27,112,245.08 = 10,944,737.82 : x - Step 2: Convert to fraction form
19,646,543.52/27,112,245.08 = 10,944,737.82/x - Step 3: Cross multiply
19,646,543.52x = 27,112,245.08 × 10,944,737.82 - Step 4: Simplify right side
19,646,543.52x = 296,736,414,057,461.25 - Step 5: Solve for x
x = 296,736,414,057,461.25/19,646,543.52 - Step 6: Final answer
x = 15,103,746.56
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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.