Finding the Fourth Proportional to 11,237,439.20, 16,827,646.80 and 6,183,039.20
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Solution
The fourth proportional to 11,237,439.20, 16,827,646.80 and 6,183,039.20 is: 9,258,870.99
Step by Step Solution
- Step 1: Write the proportion equation
11,237,439.20 : 16,827,646.80 = 6,183,039.20 : x - Step 2: Convert to fraction form
11,237,439.20/16,827,646.80 = 6,183,039.20/x - Step 3: Cross multiply
11,237,439.20x = 16,827,646.80 × 6,183,039.20 - Step 4: Simplify right side
11,237,439.20x = 104,045,999,808,154.56 - Step 5: Solve for x
x = 104,045,999,808,154.56/11,237,439.20 - Step 6: Final answer
x = 9,258,870.99
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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.