Finding the Fourth Proportional to 21,834,533.74, 32,746,195.56 and 6,478,190.54
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Solution
The fourth proportional to 21,834,533.74, 32,746,195.56 and 6,478,190.54 is: 9,715,622.82
Step by Step Solution
- Step 1: Write the proportion equation
21,834,533.74 : 32,746,195.56 = 6,478,190.54 : x - Step 2: Convert to fraction form
21,834,533.74/32,746,195.56 = 6,478,190.54/x - Step 3: Cross multiply
21,834,533.74x = 32,746,195.56 × 6,478,190.54 - Step 4: Simplify right side
21,834,533.74x = 212,136,094,228,460.75 - Step 5: Solve for x
x = 212,136,094,228,460.75/21,834,533.74 - Step 6: Final answer
x = 9,715,622.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.