Finding the Fourth Proportional to 15,779,375.39, 21,775,326.35 and 8,810,159.99
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Solution
The fourth proportional to 15,779,375.39, 21,775,326.35 and 8,810,159.99 is: 12,157,902.59
Step by Step Solution
- Step 1: Write the proportion equation
15,779,375.39 : 21,775,326.35 = 8,810,159.99 : x - Step 2: Convert to fraction form
15,779,375.39/21,775,326.35 = 8,810,159.99/x - Step 3: Cross multiply
15,779,375.39x = 21,775,326.35 × 8,810,159.99 - Step 4: Simplify right side
15,779,375.39x = 191,844,108,825,035.28 - Step 5: Solve for x
x = 191,844,108,825,035.28/15,779,375.39 - Step 6: Final answer
x = 12,157,902.59
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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.