Finding the Fourth Proportional to 11,269,017.12, 15,551,129.28 and 6,112,267.92
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Solution
The fourth proportional to 11,269,017.12, 15,551,129.28 and 6,112,267.92 is: 8,434,867.71
Step by Step Solution
- Step 1: Write the proportion equation
11,269,017.12 : 15,551,129.28 = 6,112,267.92 : x - Step 2: Convert to fraction form
11,269,017.12/15,551,129.28 = 6,112,267.92/x - Step 3: Cross multiply
11,269,017.12x = 15,551,129.28 × 6,112,267.92 - Step 4: Simplify right side
11,269,017.12x = 95,052,668,617,916.69 - Step 5: Solve for x
x = 95,052,668,617,916.69/11,269,017.12 - Step 6: Final answer
x = 8,434,867.71
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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.