Finding the Fourth Proportional to 13,796,746.98, 19,039,528.84 and 7,517,244.66
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Solution
The fourth proportional to 13,796,746.98, 19,039,528.84 and 7,517,244.66 is: 10,373,807.44
Step by Step Solution
- Step 1: Write the proportion equation
13,796,746.98 : 19,039,528.84 = 7,517,244.66 : x - Step 2: Convert to fraction form
13,796,746.98/19,039,528.84 = 7,517,244.66/x - Step 3: Cross multiply
13,796,746.98x = 19,039,528.84 × 7,517,244.66 - Step 4: Simplify right side
13,796,746.98x = 143,124,796,501,406 - Step 5: Solve for x
x = 143,124,796,501,406/13,796,746.98 - Step 6: Final answer
x = 10,373,807.44
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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.