Finding the Fourth Proportional to 19,887,871.75, 29,832,449.14 and 5,511,078.07
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Solution
The fourth proportional to 19,887,871.75, 29,832,449.14 and 5,511,078.07 is: 8,266,794.87
Step by Step Solution
- Step 1: Write the proportion equation
19,887,871.75 : 29,832,449.14 = 5,511,078.07 : x - Step 2: Convert to fraction form
19,887,871.75/29,832,449.14 = 5,511,078.07/x - Step 3: Cross multiply
19,887,871.75x = 29,832,449.14 × 5,511,078.07 - Step 4: Simplify right side
19,887,871.75x = 164,408,956,080,682.12 - Step 5: Solve for x
x = 164,408,956,080,682.12/19,887,871.75 - Step 6: Final answer
x = 8,266,794.87
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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.