Finding the Fourth Proportional to 9,516,230.19, 13,132,057.87 and 5,386,172.66
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Solution
The fourth proportional to 9,516,230.19, 13,132,057.87 and 5,386,172.66 is: 7,432,725.95
Step by Step Solution
- Step 1: Write the proportion equation
9,516,230.19 : 13,132,057.87 = 5,386,172.66 : x - Step 2: Convert to fraction form
9,516,230.19/13,132,057.87 = 5,386,172.66/x - Step 3: Cross multiply
9,516,230.19x = 13,132,057.87 × 5,386,172.66 - Step 4: Simplify right side
9,516,230.19x = 70,731,531,059,249.48 - Step 5: Solve for x
x = 70,731,531,059,249.48/9,516,230.19 - Step 6: Final answer
x = 7,432,725.95
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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.