Finding the Fourth Proportional to 14,274,623.16, 19,698,995.22 and 7,748,251.58
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Solution
The fourth proportional to 14,274,623.16, 19,698,995.22 and 7,748,251.58 is: 10,692,595.46
Step by Step Solution
- Step 1: Write the proportion equation
14,274,623.16 : 19,698,995.22 = 7,748,251.58 : x - Step 2: Convert to fraction form
14,274,623.16/19,698,995.22 = 7,748,251.58/x - Step 3: Cross multiply
14,274,623.16x = 19,698,995.22 × 7,748,251.58 - Step 4: Simplify right side
14,274,623.16x = 152,632,770,837,777.44 - Step 5: Solve for x
x = 152,632,770,837,777.44/14,274,623.16 - Step 6: Final answer
x = 10,692,595.46
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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.