Finding the Fourth Proportional to 27,974,307.88, 38,594,304.42 and 16,953,106.92
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Solution
The fourth proportional to 27,974,307.88, 38,594,304.42 and 16,953,106.92 is: 23,389,081.59
Step by Step Solution
- Step 1: Write the proportion equation
27,974,307.88 : 38,594,304.42 = 16,953,106.92 : x - Step 2: Convert to fraction form
27,974,307.88/38,594,304.42 = 16,953,106.92/x - Step 3: Cross multiply
27,974,307.88x = 38,594,304.42 × 16,953,106.92 - Step 4: Simplify right side
27,974,307.88x = 654,293,369,335,288.62 - Step 5: Solve for x
x = 654,293,369,335,288.62/27,974,307.88 - Step 6: Final answer
x = 23,389,081.59
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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.