Finding the Fourth Proportional to 34,813,621.08, 48,039,982.81 and 20,130,239.70
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Solution
The fourth proportional to 34,813,621.08, 48,039,982.81 and 20,130,239.70 is: 27,778,103.49
Step by Step Solution
- Step 1: Write the proportion equation
34,813,621.08 : 48,039,982.81 = 20,130,239.70 : x - Step 2: Convert to fraction form
34,813,621.08/48,039,982.81 = 20,130,239.70/x - Step 3: Cross multiply
34,813,621.08x = 48,039,982.81 × 20,130,239.70 - Step 4: Simplify right side
34,813,621.08x = 967,056,369,098,853.88 - Step 5: Solve for x
x = 967,056,369,098,853.88/34,813,621.08 - Step 6: Final answer
x = 27,778,103.49
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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.