Finding the Fourth Proportional to 27,614,089.92, 38,107,486.08 and 15,390,684.48
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Solution
The fourth proportional to 27,614,089.92, 38,107,486.08 and 15,390,684.48 is: 21,239,167.99
Step by Step Solution
- Step 1: Write the proportion equation
27,614,089.92 : 38,107,486.08 = 15,390,684.48 : x - Step 2: Convert to fraction form
27,614,089.92/38,107,486.08 = 15,390,684.48/x - Step 3: Cross multiply
27,614,089.92x = 38,107,486.08 × 15,390,684.48 - Step 4: Simplify right side
27,614,089.92x = 586,500,294,583,272 - Step 5: Solve for x
x = 586,500,294,583,272/27,614,089.92 - Step 6: Final answer
x = 21,239,167.99
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1.5x scale
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.