Finding the Fourth Proportional to 18,963,900.23, 26,171,368.52 and 10,705,361.76
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Solution
The fourth proportional to 18,963,900.23, 26,171,368.52 and 10,705,361.76 is: 14,774,068.86
Step by Step Solution
- Step 1: Write the proportion equation
18,963,900.23 : 26,171,368.52 = 10,705,361.76 : x - Step 2: Convert to fraction form
18,963,900.23/26,171,368.52 = 10,705,361.76/x - Step 3: Cross multiply
18,963,900.23x = 26,171,368.52 × 10,705,361.76 - Step 4: Simplify right side
18,963,900.23x = 280,173,967,707,349 - Step 5: Solve for x
x = 280,173,967,707,349/18,963,900.23 - Step 6: Final answer
x = 14,774,068.86
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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.