Finding the Fourth Proportional to 19,122,605.88, 28,689,514.42 and 6,168,497.82
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Solution
The fourth proportional to 19,122,605.88, 28,689,514.42 and 6,168,497.82 is: 9,254,554.96
Step by Step Solution
- Step 1: Write the proportion equation
19,122,605.88 : 28,689,514.42 = 6,168,497.82 : x - Step 2: Convert to fraction form
19,122,605.88/28,689,514.42 = 6,168,497.82/x - Step 3: Cross multiply
19,122,605.88x = 28,689,514.42 × 6,168,497.82 - Step 4: Simplify right side
19,122,605.88x = 176,971,207,156,628.59 - Step 5: Solve for x
x = 176,971,207,156,628.59/19,122,605.88 - Step 6: Final answer
x = 9,254,554.96
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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.