Finding the Fourth Proportional to 22,034,381.41, 30,375,398.56 and 15,398,367.44
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Solution
The fourth proportional to 22,034,381.41, 30,375,398.56 and 15,398,367.44 is: 21,227,350.99
Step by Step Solution
- Step 1: Write the proportion equation
22,034,381.41 : 30,375,398.56 = 15,398,367.44 : x - Step 2: Convert to fraction form
22,034,381.41/30,375,398.56 = 15,398,367.44/x - Step 3: Cross multiply
22,034,381.41x = 30,375,398.56 × 15,398,367.44 - Step 4: Simplify right side
22,034,381.41x = 467,731,547,972,954 - Step 5: Solve for x
x = 467,731,547,972,954/22,034,381.41 - Step 6: Final answer
x = 21,227,350.99
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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.