Finding the Fourth Proportional to 19,190,304.32, 26,482,570.74 and 10,488,536.12
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Solution
The fourth proportional to 19,190,304.32, 26,482,570.74 and 10,488,536.12 is: 14,474,152.94
Step by Step Solution
- Step 1: Write the proportion equation
19,190,304.32 : 26,482,570.74 = 10,488,536.12 : x - Step 2: Convert to fraction form
19,190,304.32/26,482,570.74 = 10,488,536.12/x - Step 3: Cross multiply
19,190,304.32x = 26,482,570.74 × 10,488,536.12 - Step 4: Simplify right side
19,190,304.32x = 277,763,399,756,945.09 - Step 5: Solve for x
x = 277,763,399,756,945.09/19,190,304.32 - Step 6: Final answer
x = 14,474,152.94
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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.