Finding the Fourth Proportional to 19,706,253.57, 27,207,426.07 and 17,637,686.91
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Solution
The fourth proportional to 19,706,253.57, 27,207,426.07 and 17,637,686.91 is: 24,351,460.86
Step by Step Solution
- Step 1: Write the proportion equation
19,706,253.57 : 27,207,426.07 = 17,637,686.91 : x - Step 2: Convert to fraction form
19,706,253.57/27,207,426.07 = 17,637,686.91/x - Step 3: Cross multiply
19,706,253.57x = 27,207,426.07 × 17,637,686.91 - Step 4: Simplify right side
19,706,253.57x = 479,876,062,561,443.31 - Step 5: Solve for x
x = 479,876,062,561,443.31/19,706,253.57 - Step 6: Final answer
x = 24,351,460.86
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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.