Finding the Fourth Proportional to 19,696,117.14, 27,180,537.84 and 11,438,210.16
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Solution
The fourth proportional to 19,696,117.14, 27,180,537.84 and 11,438,210.16 is: 15,784,669.73
Step by Step Solution
- Step 1: Write the proportion equation
19,696,117.14 : 27,180,537.84 = 11,438,210.16 : x - Step 2: Convert to fraction form
19,696,117.14/27,180,537.84 = 11,438,210.16/x - Step 3: Cross multiply
19,696,117.14x = 27,180,537.84 × 11,438,210.16 - Step 4: Simplify right side
19,696,117.14x = 310,896,704,075,752.44 - Step 5: Solve for x
x = 310,896,704,075,752.44/19,696,117.14 - Step 6: Final answer
x = 15,784,669.73
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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.