Finding the Fourth Proportional to 8,806,765.26, 12,153,189.79 and 5,137,815.18
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Solution
The fourth proportional to 8,806,765.26, 12,153,189.79 and 5,137,815.18 is: 7,090,099.62
Step by Step Solution
- Step 1: Write the proportion equation
8,806,765.26 : 12,153,189.79 = 5,137,815.18 : x - Step 2: Convert to fraction form
8,806,765.26/12,153,189.79 = 5,137,815.18/x - Step 3: Cross multiply
8,806,765.26x = 12,153,189.79 × 5,137,815.18 - Step 4: Simplify right side
8,806,765.26x = 62,440,842,988,483.01 - Step 5: Solve for x
x = 62,440,842,988,483.01/8,806,765.26 - Step 6: Final answer
x = 7,090,099.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.