Finding the Fourth Proportional to 18,963,408.84, 26,169,573.54 and 10,261,581.48
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Solution
The fourth proportional to 18,963,408.84, 26,169,573.54 and 10,261,581.48 is: 14,161,019.96
Step by Step Solution
- Step 1: Write the proportion equation
18,963,408.84 : 26,169,573.54 = 10,261,581.48 : x - Step 2: Convert to fraction form
18,963,408.84/26,169,573.54 = 10,261,581.48/x - Step 3: Cross multiply
18,963,408.84x = 26,169,573.54 × 10,261,581.48 - Step 4: Simplify right side
18,963,408.84x = 268,541,211,177,562.03 - Step 5: Solve for x
x = 268,541,211,177,562.03/18,963,408.84 - Step 6: Final answer
x = 14,161,019.96
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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.