Finding the Fourth Proportional to 14,236,471.08, 19,646,219.48 and 7,709,949.18
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Solution
The fourth proportional to 14,236,471.08, 19,646,219.48 and 7,709,949.18 is: 10,639,669.97
Step by Step Solution
- Step 1: Write the proportion equation
14,236,471.08 : 19,646,219.48 = 7,709,949.18 : x - Step 2: Convert to fraction form
14,236,471.08/19,646,219.48 = 7,709,949.18/x - Step 3: Cross multiply
14,236,471.08x = 19,646,219.48 × 7,709,949.18 - Step 4: Simplify right side
14,236,471.08x = 151,471,353,769,926.03 - Step 5: Solve for x
x = 151,471,353,769,926.03/14,236,471.08 - Step 6: Final answer
x = 10,639,669.97
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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.