Finding the Fourth Proportional to 27,228,485.48, 37,574,215.98 and 14,838,315.80
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Solution
The fourth proportional to 27,228,485.48, 37,574,215.98 and 14,838,315.80 is: 20,476,279.63
Step by Step Solution
- Step 1: Write the proportion equation
27,228,485.48 : 37,574,215.98 = 14,838,315.80 : x - Step 2: Convert to fraction form
27,228,485.48/37,574,215.98 = 14,838,315.80/x - Step 3: Cross multiply
27,228,485.48x = 37,574,215.98 × 14,838,315.80 - Step 4: Simplify right side
27,228,485.48x = 557,538,082,648,646.44 - Step 5: Solve for x
x = 557,538,082,648,646.44/27,228,485.48 - Step 6: Final answer
x = 20,476,279.63
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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.