Finding the Fourth Proportional to 7,125,206.05, 9,832,545.14 and 4,222,873.88
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Solution
The fourth proportional to 7,125,206.05, 9,832,545.14 and 4,222,873.88 is: 5,827,424.18
Step by Step Solution
- Step 1: Write the proportion equation
7,125,206.05 : 9,832,545.14 = 4,222,873.88 : x - Step 2: Convert to fraction form
7,125,206.05/9,832,545.14 = 4,222,873.88/x - Step 3: Cross multiply
7,125,206.05x = 9,832,545.14 × 4,222,873.88 - Step 4: Simplify right side
7,125,206.05x = 41,521,598,045,626.95 - Step 5: Solve for x
x = 41,521,598,045,626.95/7,125,206.05 - Step 6: Final answer
x = 5,827,424.18
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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.