Finding the Fourth Proportional to 19,449,576.76, 29,175,609.36 and 7,482,312.76
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Solution
The fourth proportional to 19,449,576.76, 29,175,609.36 and 7,482,312.76 is: 11,223,947.80
Step by Step Solution
- Step 1: Write the proportion equation
19,449,576.76 : 29,175,609.36 = 7,482,312.76 : x - Step 2: Convert to fraction form
19,449,576.76/29,175,609.36 = 7,482,312.76/x - Step 3: Cross multiply
19,449,576.76x = 29,175,609.36 × 7,482,312.76 - Step 4: Simplify right side
19,449,576.76x = 218,301,034,195,103.44 - Step 5: Solve for x
x = 218,301,034,195,103.44/19,449,576.76 - Step 6: Final answer
x = 11,223,947.80
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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.