Finding the Fourth Proportional to 12,386,289.24, 18,579,435.48 and 3,867,355.44
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Solution
The fourth proportional to 12,386,289.24, 18,579,435.48 and 3,867,355.44 is: 5,801,033.67
Step by Step Solution
- Step 1: Write the proportion equation
12,386,289.24 : 18,579,435.48 = 3,867,355.44 : x - Step 2: Convert to fraction form
12,386,289.24/18,579,435.48 = 3,867,355.44/x - Step 3: Cross multiply
12,386,289.24x = 18,579,435.48 × 3,867,355.44 - Step 4: Simplify right side
12,386,289.24x = 71,853,280,875,707.02 - Step 5: Solve for x
x = 71,853,280,875,707.02/12,386,289.24 - Step 6: Final answer
x = 5,801,033.67
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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.