Finding the Fourth Proportional to 15,398,168.24, 21,249,214.44 and 8,522,503.04
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Solution
The fourth proportional to 15,398,168.24, 21,249,214.44 and 8,522,503.04 is: 11,760,911.55
Step by Step Solution
- Step 1: Write the proportion equation
15,398,168.24 : 21,249,214.44 = 8,522,503.04 : x - Step 2: Convert to fraction form
15,398,168.24/21,249,214.44 = 8,522,503.04/x - Step 3: Cross multiply
15,398,168.24x = 21,249,214.44 × 8,522,503.04 - Step 4: Simplify right side
15,398,168.24x = 181,096,494,662,511.88 - Step 5: Solve for x
x = 181,096,494,662,511.88/15,398,168.24 - Step 6: Final answer
x = 11,760,911.55
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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.