Finding the Fourth Proportional to 22,772,774.16, 31,423,324.68 and 13,603,470.48
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Solution
The fourth proportional to 22,772,774.16, 31,423,324.68 and 13,603,470.48 is: 18,770,935.27
Step by Step Solution
- Step 1: Write the proportion equation
22,772,774.16 : 31,423,324.68 = 13,603,470.48 : x - Step 2: Convert to fraction form
22,772,774.16/31,423,324.68 = 13,603,470.48/x - Step 3: Cross multiply
22,772,774.16x = 31,423,324.68 × 13,603,470.48 - Step 4: Simplify right side
22,772,774.16x = 427,466,269,667,835.44 - Step 5: Solve for x
x = 427,466,269,667,835.44/22,772,774.16 - Step 6: Final answer
x = 18,770,935.27
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1.5x scale
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.