Finding the Fourth Proportional to 19,137,042.15, 26,397,377.26 and 12,249,566.79
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Solution
The fourth proportional to 19,137,042.15, 26,397,377.26 and 12,249,566.79 is: 16,896,886.85
Step by Step Solution
- Step 1: Write the proportion equation
19,137,042.15 : 26,397,377.26 = 12,249,566.79 : x - Step 2: Convert to fraction form
19,137,042.15/26,397,377.26 = 12,249,566.79/x - Step 3: Cross multiply
19,137,042.15x = 26,397,377.26 × 12,249,566.79 - Step 4: Simplify right side
19,137,042.15x = 323,356,435,796,573.25 - Step 5: Solve for x
x = 323,356,435,796,573.25/19,137,042.15 - Step 6: Final answer
x = 16,896,886.85
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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.