Finding the Fourth Proportional to 19,887,881.90, 29,832,464.34 and 5,511,088.22
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Solution
The fourth proportional to 19,887,881.90, 29,832,464.34 and 5,511,088.22 is: 8,266,810.09
Step by Step Solution
- Step 1: Write the proportion equation
19,887,881.90 : 29,832,464.34 = 5,511,088.22 : x - Step 2: Convert to fraction form
19,887,881.90/29,832,464.34 = 5,511,088.22/x - Step 3: Cross multiply
19,887,881.90x = 29,832,464.34 × 5,511,088.22 - Step 4: Simplify right side
19,887,881.90x = 164,409,342,797,744.06 - Step 5: Solve for x
x = 164,409,342,797,744.06/19,887,881.90 - Step 6: Final answer
x = 8,266,810.09
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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.