Finding the Fourth Proportional to 7,703,984.08, 10,631,488.44 and 4,266,220.96
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Solution
The fourth proportional to 7,703,984.08, 10,631,488.44 and 4,266,220.96 is: 5,887,379.61
Step by Step Solution
- Step 1: Write the proportion equation
7,703,984.08 : 10,631,488.44 = 4,266,220.96 : x - Step 2: Convert to fraction form
7,703,984.08/10,631,488.44 = 4,266,220.96/x - Step 3: Cross multiply
7,703,984.08x = 10,631,488.44 × 4,266,220.96 - Step 4: Simplify right side
7,703,984.08x = 45,356,278,818,725.70 - Step 5: Solve for x
x = 45,356,278,818,725.70/7,703,984.08 - Step 6: Final answer
x = 5,887,379.61
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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.