Finding the Fourth Proportional to 19,425,314.20, 29,146,136.10 and 10,439,368.60
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Solution
The fourth proportional to 19,425,314.20, 29,146,136.10 and 10,439,368.60 is: 15,663,440.75
Step by Step Solution
- Step 1: Write the proportion equation
19,425,314.20 : 29,146,136.10 = 10,439,368.60 : x - Step 2: Convert to fraction form
19,425,314.20/29,146,136.10 = 10,439,368.60/x - Step 3: Cross multiply
19,425,314.20x = 29,146,136.10 × 10,439,368.60 - Step 4: Simplify right side
19,425,314.20x = 304,267,258,013,666.44 - Step 5: Solve for x
x = 304,267,258,013,666.44/19,425,314.20 - Step 6: Final answer
x = 15,663,440.75
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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.