Finding the Fourth Proportional to 34,068,775.68, 47,015,621.76 and 18,599,512.32
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Solution
The fourth proportional to 34,068,775.68, 47,015,621.76 and 18,599,512.32 is: 25,667,715.34
Step by Step Solution
- Step 1: Write the proportion equation
34,068,775.68 : 47,015,621.76 = 18,599,512.32 : x - Step 2: Convert to fraction form
34,068,775.68/47,015,621.76 = 18,599,512.32/x - Step 3: Cross multiply
34,068,775.68x = 47,015,621.76 × 18,599,512.32 - Step 4: Simplify right side
34,068,775.68x = 874,467,636,157,580 - Step 5: Solve for x
x = 874,467,636,157,580/34,068,775.68 - Step 6: Final answer
x = 25,667,715.34
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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.