Finding the Fourth Proportional to 20,005,929.44, 27,608,315.15 and 10,838,572.19
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Solution
The fourth proportional to 20,005,929.44, 27,608,315.15 and 10,838,572.19 is: 14,957,301.42
Step by Step Solution
- Step 1: Write the proportion equation
20,005,929.44 : 27,608,315.15 = 10,838,572.19 : x - Step 2: Convert to fraction form
20,005,929.44/27,608,315.15 = 10,838,572.19/x - Step 3: Cross multiply
20,005,929.44x = 27,608,315.15 × 10,838,572.19 - Step 4: Simplify right side
20,005,929.44x = 299,234,716,686,600.56 - Step 5: Solve for x
x = 299,234,716,686,600.56/20,005,929.44 - Step 6: Final answer
x = 14,957,301.42
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1.5x scale
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.