Finding the Fourth Proportional to 13,327,585.45, 19,991,378.99 and 3,230,206.45
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Solution
The fourth proportional to 13,327,585.45, 19,991,378.99 and 3,230,206.45 is: 4,845,309.87
Step by Step Solution
- Step 1: Write the proportion equation
13,327,585.45 : 19,991,378.99 = 3,230,206.45 : x - Step 2: Convert to fraction form
13,327,585.45/19,991,378.99 = 3,230,206.45/x - Step 3: Cross multiply
13,327,585.45x = 19,991,378.99 × 3,230,206.45 - Step 4: Simplify right side
13,327,585.45x = 64,576,281,357,892.48 - Step 5: Solve for x
x = 64,576,281,357,892.48/13,327,585.45 - Step 6: Final answer
x = 4,845,309.87
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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.