Finding the Fourth Proportional to 10,348,437.63, 14,281,470.99 and 5,702,217.05
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Solution
The fourth proportional to 10,348,437.63, 14,281,470.99 and 5,702,217.05 is: 7,869,405.05
Step by Step Solution
- Step 1: Write the proportion equation
10,348,437.63 : 14,281,470.99 = 5,702,217.05 : x - Step 2: Convert to fraction form
10,348,437.63/14,281,470.99 = 5,702,217.05/x - Step 3: Cross multiply
10,348,437.63x = 14,281,470.99 × 5,702,217.05 - Step 4: Simplify right side
10,348,437.63x = 81,436,047,306,851.03 - Step 5: Solve for x
x = 81,436,047,306,851.03/10,348,437.63 - Step 6: Final answer
x = 7,869,405.05
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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.