Finding the Fourth Proportional to 14,213,508.70, 19,614,642.01 and 7,687,138.15
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Solution
The fourth proportional to 14,213,508.70, 19,614,642.01 and 7,687,138.15 is: 10,608,250.66
Step by Step Solution
- Step 1: Write the proportion equation
14,213,508.70 : 19,614,642.01 = 7,687,138.15 : x - Step 2: Convert to fraction form
14,213,508.70/19,614,642.01 = 7,687,138.15/x - Step 3: Cross multiply
14,213,508.70x = 19,614,642.01 × 7,687,138.15 - Step 4: Simplify right side
14,213,508.70x = 150,780,462,975,533.03 - Step 5: Solve for x
x = 150,780,462,975,533.03/14,213,508.70 - Step 6: Final answer
x = 10,608,250.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.