Finding the Fourth Proportional to 21,565,101.69, 29,759,837.54 and 11,775,554.82
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Solution
The fourth proportional to 21,565,101.69, 29,759,837.54 and 11,775,554.82 is: 16,250,264.12
Step by Step Solution
- Step 1: Write the proportion equation
21,565,101.69 : 29,759,837.54 = 11,775,554.82 : x - Step 2: Convert to fraction form
21,565,101.69/29,759,837.54 = 11,775,554.82/x - Step 3: Cross multiply
21,565,101.69x = 29,759,837.54 × 11,775,554.82 - Step 4: Simplify right side
21,565,101.69x = 350,438,598,327,686.19 - Step 5: Solve for x
x = 350,438,598,327,686.19/21,565,101.69 - Step 6: Final answer
x = 16,250,264.12
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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.