Finding the Fourth Proportional to 27,957,174.66, 38,580,532.95 and 15,397,987.98
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Solution
The fourth proportional to 27,957,174.66, 38,580,532.95 and 15,397,987.98 is: 21,249,020.68
Step by Step Solution
- Step 1: Write the proportion equation
27,957,174.66 : 38,580,532.95 = 15,397,987.98 : x - Step 2: Convert to fraction form
27,957,174.66/38,580,532.95 = 15,397,987.98/x - Step 3: Cross multiply
27,957,174.66x = 38,580,532.95 × 15,397,987.98 - Step 4: Simplify right side
27,957,174.66x = 594,062,582,626,094 - Step 5: Solve for x
x = 594,062,582,626,094/27,957,174.66 - Step 6: Final answer
x = 21,249,020.68
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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.