Finding the Fourth Proportional to 14,185,987.56, 19,576,684.68 and 8,074,416
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Solution
The fourth proportional to 14,185,987.56, 19,576,684.68 and 8,074,416 is: 11,142,706.52
Step by Step Solution
- Step 1: Write the proportion equation
14,185,987.56 : 19,576,684.68 = 8,074,416 : x - Step 2: Convert to fraction form
14,185,987.56/19,576,684.68 = 8,074,416/x - Step 3: Cross multiply
14,185,987.56x = 19,576,684.68 × 8,074,416 - Step 4: Simplify right side
14,185,987.56x = 158,070,296,007,146.88 - Step 5: Solve for x
x = 158,070,296,007,146.88/14,185,987.56 - Step 6: Final answer
x = 11,142,706.52
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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.