Finding the Fourth Proportional to 27,396,545.76, 37,807,138.80 and 15,794,053.92
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Solution
The fourth proportional to 27,396,545.76, 37,807,138.80 and 15,794,053.92 is: 21,795,740.02
Step by Step Solution
- Step 1: Write the proportion equation
27,396,545.76 : 37,807,138.80 = 15,794,053.92 : x - Step 2: Convert to fraction form
27,396,545.76/37,807,138.80 = 15,794,053.92/x - Step 3: Cross multiply
27,396,545.76x = 37,807,138.80 × 15,794,053.92 - Step 4: Simplify right side
27,396,545.76x = 597,127,988,768,124 - Step 5: Solve for x
x = 597,127,988,768,124/27,396,545.76 - Step 6: Final answer
x = 21,795,740.02
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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.