Finding the Fourth Proportional to 23,063,206.49, 31,827,889.26 and 12,750,593.88
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Solution
The fourth proportional to 23,063,206.49, 31,827,889.26 and 12,750,593.88 is: 17,596,186.82
Step by Step Solution
- Step 1: Write the proportion equation
23,063,206.49 : 31,827,889.26 = 12,750,593.88 : x - Step 2: Convert to fraction form
23,063,206.49/31,827,889.26 = 12,750,593.88/x - Step 3: Cross multiply
23,063,206.49x = 31,827,889.26 × 12,750,593.88 - Step 4: Simplify right side
23,063,206.49x = 405,824,490,011,873.75 - Step 5: Solve for x
x = 405,824,490,011,873.75/23,063,206.49 - Step 6: Final answer
x = 17,596,186.82
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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.