Finding the Fourth Proportional to 35,467,153.56, 48,947,444.64 and 19,791,106.92
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Solution
The fourth proportional to 35,467,153.56, 48,947,444.64 and 19,791,106.92 is: 27,313,274.77
Step by Step Solution
- Step 1: Write the proportion equation
35,467,153.56 : 48,947,444.64 = 19,791,106.92 : x - Step 2: Convert to fraction form
35,467,153.56/48,947,444.64 = 19,791,106.92/x - Step 3: Cross multiply
35,467,153.56x = 48,947,444.64 × 19,791,106.92 - Step 4: Simplify right side
35,467,153.56x = 968,724,110,331,021 - Step 5: Solve for x
x = 968,724,110,331,021/35,467,153.56 - Step 6: Final answer
x = 27,313,274.77
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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.