Finding the Fourth Proportional to 7,421,460.48, 11,129,339.52 and 2,628,264.96
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Solution
The fourth proportional to 7,421,460.48, 11,129,339.52 and 2,628,264.96 is: 3,941,387.70
Step by Step Solution
- Step 1: Write the proportion equation
7,421,460.48 : 11,129,339.52 = 2,628,264.96 : x - Step 2: Convert to fraction form
7,421,460.48/11,129,339.52 = 2,628,264.96/x - Step 3: Cross multiply
7,421,460.48x = 11,129,339.52 × 2,628,264.96 - Step 4: Simplify right side
7,421,460.48x = 29,250,853,088,359.22 - Step 5: Solve for x
x = 29,250,853,088,359.22/7,421,460.48 - Step 6: Final answer
x = 3,941,387.70
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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.