Finding the Fourth Proportional to 22,358,253.24, 30,852,353.70 and 12,937,415.76
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Solution
The fourth proportional to 22,358,253.24, 30,852,353.70 and 12,937,415.76 is: 17,852,455.77
Step by Step Solution
- Step 1: Write the proportion equation
22,358,253.24 : 30,852,353.70 = 12,937,415.76 : x - Step 2: Convert to fraction form
22,358,253.24/30,852,353.70 = 12,937,415.76/x - Step 3: Cross multiply
22,358,253.24x = 30,852,353.70 × 12,937,415.76 - Step 4: Simplify right side
22,358,253.24x = 399,149,726,991,474.31 - Step 5: Solve for x
x = 399,149,726,991,474.31/22,358,253.24 - Step 6: Final answer
x = 17,852,455.77
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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.