Finding the Fourth Proportional to 12,948,610.70, 19,422,916.05 and 6,230,146.70
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Solution
The fourth proportional to 12,948,610.70, 19,422,916.05 and 6,230,146.70 is: 9,345,220.05
Step by Step Solution
- Step 1: Write the proportion equation
12,948,610.70 : 19,422,916.05 = 6,230,146.70 : x - Step 2: Convert to fraction form
12,948,610.70/19,422,916.05 = 6,230,146.70/x - Step 3: Cross multiply
12,948,610.70x = 19,422,916.05 × 6,230,146.70 - Step 4: Simplify right side
12,948,610.70x = 121,007,616,333,284.55 - Step 5: Solve for x
x = 121,007,616,333,284.55/12,948,610.70 - Step 6: Final answer
x = 9,345,220.05
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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.