Finding the Fourth Proportional to 19,706,253.35, 27,207,425.76 and 17,637,686.69
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Solution
The fourth proportional to 19,706,253.35, 27,207,425.76 and 17,637,686.69 is: 24,351,460.56
Step by Step Solution
- Step 1: Write the proportion equation
19,706,253.35 : 27,207,425.76 = 17,637,686.69 : x - Step 2: Convert to fraction form
19,706,253.35/27,207,425.76 = 17,637,686.69/x - Step 3: Cross multiply
19,706,253.35x = 27,207,425.76 × 17,637,686.69 - Step 4: Simplify right side
19,706,253.35x = 479,876,051,196,315.19 - Step 5: Solve for x
x = 479,876,051,196,315.19/19,706,253.35 - Step 6: Final answer
x = 24,351,460.56
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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.