Finding the Fourth Proportional to 10,656,913.60, 15,977,497.20 and 4,586,676.40
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Solution
The fourth proportional to 10,656,913.60, 15,977,497.20 and 4,586,676.40 is: 6,876,626.02
Step by Step Solution
- Step 1: Write the proportion equation
10,656,913.60 : 15,977,497.20 = 4,586,676.40 : x - Step 2: Convert to fraction form
10,656,913.60/15,977,497.20 = 4,586,676.40/x - Step 3: Cross multiply
10,656,913.60x = 15,977,497.20 × 4,586,676.40 - Step 4: Simplify right side
10,656,913.60x = 73,283,609,338,306.08 - Step 5: Solve for x
x = 73,283,609,338,306.08/10,656,913.60 - Step 6: Final answer
x = 6,876,626.02
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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.