Finding the Fourth Proportional to 11,257,269.08, 15,536,697.63 and 7,127,683.44
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Solution
The fourth proportional to 11,257,269.08, 15,536,697.63 and 7,127,683.44 is: 9,837,258.19
Step by Step Solution
- Step 1: Write the proportion equation
11,257,269.08 : 15,536,697.63 = 7,127,683.44 : x - Step 2: Convert to fraction form
11,257,269.08/15,536,697.63 = 7,127,683.44/x - Step 3: Cross multiply
11,257,269.08x = 15,536,697.63 × 7,127,683.44 - Step 4: Simplify right side
11,257,269.08x = 110,740,662,452,133.97 - Step 5: Solve for x
x = 110,740,662,452,133.97/11,257,269.08 - Step 6: Final answer
x = 9,837,258.19
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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.