Finding the Fourth Proportional to 28,065,984, 42,105,632 and 9,154,752
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Solution
The fourth proportional to 28,065,984, 42,105,632 and 9,154,752 is: 13,734,299.10
Step by Step Solution
- Step 1: Write the proportion equation
28,065,984 : 42,105,632 = 9,154,752 : x - Step 2: Convert to fraction form
28,065,984/42,105,632 = 9,154,752/x - Step 3: Cross multiply
28,065,984x = 42,105,632 × 9,154,752 - Step 4: Simplify right side
28,065,984x = 385,466,618,763,264 - Step 5: Solve for x
x = 385,466,618,763,264/28,065,984 - Step 6: Final answer
x = 13,734,299.10
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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.