Finding the Fourth Proportional to 10,168,045.70, 15,252,068.55 and 3,436,459.70
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Solution
The fourth proportional to 10,168,045.70, 15,252,068.55 and 3,436,459.70 is: 5,154,689.55
Step by Step Solution
- Step 1: Write the proportion equation
10,168,045.70 : 15,252,068.55 = 3,436,459.70 : x - Step 2: Convert to fraction form
10,168,045.70/15,252,068.55 = 3,436,459.70/x - Step 3: Cross multiply
10,168,045.70x = 15,252,068.55 × 3,436,459.70 - Step 4: Simplify right side
10,168,045.70x = 52,413,118,913,712.44 - Step 5: Solve for x
x = 52,413,118,913,712.44/10,168,045.70 - Step 6: Final answer
x = 5,154,689.55
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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.