Finding the Fourth Proportional to 32,865,690.84, 45,355,988.80 and 18,181,103.95
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Solution
The fourth proportional to 32,865,690.84, 45,355,988.80 and 18,181,103.95 is: 25,090,662.20
Step by Step Solution
- Step 1: Write the proportion equation
32,865,690.84 : 45,355,988.80 = 18,181,103.95 : x - Step 2: Convert to fraction form
32,865,690.84/45,355,988.80 = 18,181,103.95/x - Step 3: Cross multiply
32,865,690.84x = 45,355,988.80 × 18,181,103.95 - Step 4: Simplify right side
32,865,690.84x = 824,621,947,037,172.25 - Step 5: Solve for x
x = 824,621,947,037,172.25/32,865,690.84 - Step 6: Final answer
x = 25,090,662.20
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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.