Finding the Fourth Proportional to 32,270,305.20, 48,386,795.40 and 12,077,588.40
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Solution
The fourth proportional to 32,270,305.20, 48,386,795.40 and 12,077,588.40 is: 18,109,397.95
Step by Step Solution
- Step 1: Write the proportion equation
32,270,305.20 : 48,386,795.40 = 12,077,588.40 : x - Step 2: Convert to fraction form
32,270,305.20/48,386,795.40 = 12,077,588.40/x - Step 3: Cross multiply
32,270,305.20x = 48,386,795.40 × 12,077,588.40 - Step 4: Simplify right side
32,270,305.20x = 584,395,798,836,213.38 - Step 5: Solve for x
x = 584,395,798,836,213.38/32,270,305.20 - Step 6: Final answer
x = 18,109,397.95
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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.