Finding the Fourth Proportional to 19,449,581.76, 29,175,616.86 and 7,482,317.76
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Solution
The fourth proportional to 19,449,581.76, 29,175,616.86 and 7,482,317.76 is: 11,223,955.30
Step by Step Solution
- Step 1: Write the proportion equation
19,449,581.76 : 29,175,616.86 = 7,482,317.76 : x - Step 2: Convert to fraction form
19,449,581.76/29,175,616.86 = 7,482,317.76/x - Step 3: Cross multiply
19,449,581.76x = 29,175,616.86 × 7,482,317.76 - Step 4: Simplify right side
19,449,581.76x = 218,301,236,190,533.44 - Step 5: Solve for x
x = 218,301,236,190,533.44/19,449,581.76 - Step 6: Final answer
x = 11,223,955.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.