Finding the Fourth Proportional to 8,488,779.41, 11,714,148.09 and 4,621,314.12
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Solution
The fourth proportional to 8,488,779.41, 11,714,148.09 and 4,621,314.12 is: 6,377,213.42
Step by Step Solution
- Step 1: Write the proportion equation
8,488,779.41 : 11,714,148.09 = 4,621,314.12 : x - Step 2: Convert to fraction form
8,488,779.41/11,714,148.09 = 4,621,314.12/x - Step 3: Cross multiply
8,488,779.41x = 11,714,148.09 × 4,621,314.12 - Step 4: Simplify right side
8,488,779.41x = 54,134,757,972,088.03 - Step 5: Solve for x
x = 54,134,757,972,088.03/8,488,779.41 - Step 6: Final answer
x = 6,377,213.42
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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.