Finding the Fourth Proportional to 7,426,306.17, 11,137,298.21 and 2,876,340.15
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Solution
The fourth proportional to 7,426,306.17, 11,137,298.21 and 2,876,340.15 is: 4,313,673.21
Step by Step Solution
- Step 1: Write the proportion equation
7,426,306.17 : 11,137,298.21 = 2,876,340.15 : x - Step 2: Convert to fraction form
7,426,306.17/11,137,298.21 = 2,876,340.15/x - Step 3: Cross multiply
7,426,306.17x = 11,137,298.21 × 2,876,340.15 - Step 4: Simplify right side
7,426,306.17x = 32,034,657,989,564.43 - Step 5: Solve for x
x = 32,034,657,989,564.43/7,426,306.17 - Step 6: Final answer
x = 4,313,673.21
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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.