Finding the Fourth Proportional to 10,288,970.31, 14,197,755.99 and 5,939,457.87
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Solution
The fourth proportional to 10,288,970.31, 14,197,755.99 and 5,939,457.87 is: 8,195,861.30
Step by Step Solution
- Step 1: Write the proportion equation
10,288,970.31 : 14,197,755.99 = 5,939,457.87 : x - Step 2: Convert to fraction form
10,288,970.31/14,197,755.99 = 5,939,457.87/x - Step 3: Cross multiply
10,288,970.31x = 14,197,755.99 × 5,939,457.87 - Step 4: Simplify right side
10,288,970.31x = 84,326,973,551,145.14 - Step 5: Solve for x
x = 84,326,973,551,145.14/10,288,970.31 - Step 6: Final answer
x = 8,195,861.30
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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.