Finding the Fourth Proportional to 14,362,210.64, 19,813,175.88 and 8,557,737.68
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Solution
The fourth proportional to 14,362,210.64, 19,813,175.88 and 8,557,737.68 is: 11,805,700.81
Step by Step Solution
- Step 1: Write the proportion equation
14,362,210.64 : 19,813,175.88 = 8,557,737.68 : x - Step 2: Convert to fraction form
14,362,210.64/19,813,175.88 = 8,557,737.68/x - Step 3: Cross multiply
14,362,210.64x = 19,813,175.88 × 8,557,737.68 - Step 4: Simplify right side
14,362,210.64x = 169,555,961,788,743.16 - Step 5: Solve for x
x = 169,555,961,788,743.16/14,362,210.64 - Step 6: Final answer
x = 11,805,700.81
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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.