Finding the Fourth Proportional to 14,146,701.63, 19,522,448.45 and 7,708,173.63
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Solution
The fourth proportional to 14,146,701.63, 19,522,448.45 and 7,708,173.63 is: 10,637,279.71
Step by Step Solution
- Step 1: Write the proportion equation
14,146,701.63 : 19,522,448.45 = 7,708,173.63 : x - Step 2: Convert to fraction form
14,146,701.63/19,522,448.45 = 7,708,173.63/x - Step 3: Cross multiply
14,146,701.63x = 19,522,448.45 × 7,708,173.63 - Step 4: Simplify right side
14,146,701.63x = 150,482,422,199,171.25 - Step 5: Solve for x
x = 150,482,422,199,171.25/14,146,701.63 - Step 6: Final answer
x = 10,637,279.71
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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.