Finding the Fourth Proportional to 27,722,189.34, 38,241,262.35 and 16,118,470.26
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Solution
The fourth proportional to 27,722,189.34, 38,241,262.35 and 16,118,470.26 is: 22,234,558.83
Step by Step Solution
- Step 1: Write the proportion equation
27,722,189.34 : 38,241,262.35 = 16,118,470.26 : x - Step 2: Convert to fraction form
27,722,189.34/38,241,262.35 = 16,118,470.26/x - Step 3: Cross multiply
27,722,189.34x = 38,241,262.35 × 16,118,470.26 - Step 4: Simplify right side
27,722,189.34x = 616,390,649,893,332.75 - Step 5: Solve for x
x = 616,390,649,893,332.75/27,722,189.34 - Step 6: Final answer
x = 22,234,558.83
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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.