Finding the Fourth Proportional to 19,952,726.96, 27,534,771.36 and 10,785,369.68
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Solution
The fourth proportional to 19,952,726.96, 27,534,771.36 and 10,785,369.68 is: 14,883,814.57
Step by Step Solution
- Step 1: Write the proportion equation
19,952,726.96 : 27,534,771.36 = 10,785,369.68 : x - Step 2: Convert to fraction form
19,952,726.96/27,534,771.36 = 10,785,369.68/x - Step 3: Cross multiply
19,952,726.96x = 27,534,771.36 × 10,785,369.68 - Step 4: Simplify right side
19,952,726.96x = 296,972,688,171,876.38 - Step 5: Solve for x
x = 296,972,688,171,876.38/19,952,726.96 - Step 6: Final answer
x = 14,883,814.57
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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.