Finding the Fourth Proportional to 19,596,143.70, 27,041,146.92 and 10,893,786.66
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Solution
The fourth proportional to 19,596,143.70, 27,041,146.92 and 10,893,786.66 is: 15,032,574.27
Step by Step Solution
- Step 1: Write the proportion equation
19,596,143.70 : 27,041,146.92 = 10,893,786.66 : x - Step 2: Convert to fraction form
19,596,143.70/27,041,146.92 = 10,893,786.66/x - Step 3: Cross multiply
19,596,143.70x = 27,041,146.92 × 10,893,786.66 - Step 4: Simplify right side
19,596,143.70x = 294,580,485,588,196.12 - Step 5: Solve for x
x = 294,580,485,588,196.12/19,596,143.70 - Step 6: Final answer
x = 15,032,574.27
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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.