Finding the Fourth Proportional to 22,546,228.24, 31,113,402.60 and 13,722,490
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Solution
The fourth proportional to 22,546,228.24, 31,113,402.60 and 13,722,490 is: 18,936,797.39
Step by Step Solution
- Step 1: Write the proportion equation
22,546,228.24 : 31,113,402.60 = 13,722,490 : x - Step 2: Convert to fraction form
22,546,228.24/31,113,402.60 = 13,722,490/x - Step 3: Cross multiply
22,546,228.24x = 31,113,402.60 × 13,722,490 - Step 4: Simplify right side
22,546,228.24x = 426,953,356,044,474 - Step 5: Solve for x
x = 426,953,356,044,474/22,546,228.24 - Step 6: Final answer
x = 18,936,797.39
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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.