Finding the Fourth Proportional to 19,695,615.60, 27,184,484.56 and 11,549,478
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Solution
The fourth proportional to 19,695,615.60, 27,184,484.56 and 11,549,478 is: 15,940,938.98
Step by Step Solution
- Step 1: Write the proportion equation
19,695,615.60 : 27,184,484.56 = 11,549,478 : x - Step 2: Convert to fraction form
19,695,615.60/27,184,484.56 = 11,549,478/x - Step 3: Cross multiply
19,695,615.60x = 27,184,484.56 × 11,549,478 - Step 4: Simplify right side
19,695,615.60x = 313,966,606,367,059.69 - Step 5: Solve for x
x = 313,966,606,367,059.69/19,695,615.60 - Step 6: Final answer
x = 15,940,938.98
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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.