Finding the Fourth Proportional to 11,362,332.48, 15,680,358.37 and 6,205,937.28
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Solution
The fourth proportional to 11,362,332.48, 15,680,358.37 and 6,205,937.28 is: 8,564,378.90
Step by Step Solution
- Step 1: Write the proportion equation
11,362,332.48 : 15,680,358.37 = 6,205,937.28 : x - Step 2: Convert to fraction form
11,362,332.48/15,680,358.37 = 6,205,937.28/x - Step 3: Cross multiply
11,362,332.48x = 15,680,358.37 × 6,205,937.28 - Step 4: Simplify right side
11,362,332.48x = 97,311,320,572,143.03 - Step 5: Solve for x
x = 97,311,320,572,143.03/11,362,332.48 - Step 6: Final answer
x = 8,564,378.90
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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.