Finding the Fourth Proportional to 7,063,628.04, 9,749,670.48 and 4,164,949.80
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Solution
The fourth proportional to 7,063,628.04, 9,749,670.48 and 4,164,949.80 is: 5,748,729.67
Step by Step Solution
- Step 1: Write the proportion equation
7,063,628.04 : 9,749,670.48 = 4,164,949.80 : x - Step 2: Convert to fraction form
7,063,628.04/9,749,670.48 = 4,164,949.80/x - Step 3: Cross multiply
7,063,628.04x = 9,749,670.48 × 4,164,949.80 - Step 4: Simplify right side
7,063,628.04x = 40,606,888,115,741.91 - Step 5: Solve for x
x = 40,606,888,115,741.91/7,063,628.04 - Step 6: Final answer
x = 5,748,729.67
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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.