Finding the Fourth Proportional to 8,747,468.30, 13,121,202.45 and 3,065,642.30
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Solution
The fourth proportional to 8,747,468.30, 13,121,202.45 and 3,065,642.30 is: 4,598,463.45
Step by Step Solution
- Step 1: Write the proportion equation
8,747,468.30 : 13,121,202.45 = 3,065,642.30 : x - Step 2: Convert to fraction form
8,747,468.30/13,121,202.45 = 3,065,642.30/x - Step 3: Cross multiply
8,747,468.30x = 13,121,202.45 × 3,065,642.30 - Step 4: Simplify right side
8,747,468.30x = 40,224,913,257,583.63 - Step 5: Solve for x
x = 40,224,913,257,583.63/8,747,468.30 - Step 6: Final answer
x = 4,598,463.45
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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.