Finding the Fourth Proportional to 27,722,177.84, 38,241,246.48 and 16,118,458.60
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Solution
The fourth proportional to 27,722,177.84, 38,241,246.48 and 16,118,458.60 is: 22,234,542.75
Step by Step Solution
- Step 1: Write the proportion equation
27,722,177.84 : 38,241,246.48 = 16,118,458.60 : x - Step 2: Convert to fraction form
27,722,177.84/38,241,246.48 = 16,118,458.60/x - Step 3: Cross multiply
27,722,177.84x = 38,241,246.48 × 16,118,458.60 - Step 4: Simplify right side
27,722,177.84x = 616,389,948,200,275.62 - Step 5: Solve for x
x = 616,389,948,200,275.62/27,722,177.84 - Step 6: Final answer
x = 22,234,542.75
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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.