Finding the Fourth Proportional to 34,574,992.64, 47,716,209.74 and 19,690,946.04
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Solution
The fourth proportional to 34,574,992.64, 47,716,209.74 and 19,690,946.04 is: 27,175,054.56
Step by Step Solution
- Step 1: Write the proportion equation
34,574,992.64 : 47,716,209.74 = 19,690,946.04 : x - Step 2: Convert to fraction form
34,574,992.64/47,716,209.74 = 19,690,946.04/x - Step 3: Cross multiply
34,574,992.64x = 47,716,209.74 × 19,690,946.04 - Step 4: Simplify right side
34,574,992.64x = 939,577,311,125,207.62 - Step 5: Solve for x
x = 939,577,311,125,207.62/34,574,992.64 - Step 6: Final answer
x = 27,175,054.56
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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.