Finding the Fourth Proportional to 34,574,995.39, 47,716,213.53 and 19,690,948.80
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Solution
The fourth proportional to 34,574,995.39, 47,716,213.53 and 19,690,948.80 is: 27,175,058.36
Step by Step Solution
- Step 1: Write the proportion equation
34,574,995.39 : 47,716,213.53 = 19,690,948.80 : x - Step 2: Convert to fraction form
34,574,995.39/47,716,213.53 = 19,690,948.80/x - Step 3: Cross multiply
34,574,995.39x = 47,716,213.53 × 19,690,948.80 - Step 4: Simplify right side
34,574,995.39x = 939,577,517,549,097.38 - Step 5: Solve for x
x = 939,577,517,549,097.38/34,574,995.39 - Step 6: Final answer
x = 27,175,058.36
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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.