Finding the Fourth Proportional to 11,279,497.93, 15,565,726.89 and 6,122,862.97
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Solution
The fourth proportional to 11,279,497.93, 15,565,726.89 and 6,122,862.97 is: 8,449,561.62
Step by Step Solution
- Step 1: Write the proportion equation
11,279,497.93 : 15,565,726.89 = 6,122,862.97 : x - Step 2: Convert to fraction form
11,279,497.93/15,565,726.89 = 6,122,862.97/x - Step 3: Cross multiply
11,279,497.93x = 15,565,726.89 × 6,122,862.97 - Step 4: Simplify right side
11,279,497.93x = 95,306,812,775,914.27 - Step 5: Solve for x
x = 95,306,812,775,914.27/11,279,497.93 - Step 6: Final answer
x = 8,449,561.62
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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.