Finding the Fourth Proportional to 19,952,516.68, 27,534,460.84 and 10,785,159.43
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Solution
The fourth proportional to 19,952,516.68, 27,534,460.84 and 10,785,159.43 is: 14,883,513.43
Step by Step Solution
- Step 1: Write the proportion equation
19,952,516.68 : 27,534,460.84 = 10,785,159.43 : x - Step 2: Convert to fraction form
19,952,516.68/27,534,460.84 = 10,785,159.43/x - Step 3: Cross multiply
19,952,516.68x = 27,534,460.84 × 10,785,159.43 - Step 4: Simplify right side
19,952,516.68x = 296,963,549,882,692.69 - Step 5: Solve for x
x = 296,963,549,882,692.69/19,952,516.68 - Step 6: Final answer
x = 14,883,513.43
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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.