Finding the Fourth Proportional to 9,930,187.05, 13,703,670.23 and 5,579,270.84
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Solution
The fourth proportional to 9,930,187.05, 13,703,670.23 and 5,579,270.84 is: 7,699,400.55
Step by Step Solution
- Step 1: Write the proportion equation
9,930,187.05 : 13,703,670.23 = 5,579,270.84 : x - Step 2: Convert to fraction form
9,930,187.05/13,703,670.23 = 5,579,270.84/x - Step 3: Cross multiply
9,930,187.05x = 13,703,670.23 × 5,579,270.84 - Step 4: Simplify right side
9,930,187.05x = 76,456,487,618,800.39 - Step 5: Solve for x
x = 76,456,487,618,800.39/9,930,187.05 - Step 6: Final answer
x = 7,699,400.55
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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.