Finding the Fourth Proportional to 7,464,820.60, 11,197,230.90 and 3,204,263.80
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Solution
The fourth proportional to 7,464,820.60, 11,197,230.90 and 3,204,263.80 is: 4,806,395.70
Step by Step Solution
- Step 1: Write the proportion equation
7,464,820.60 : 11,197,230.90 = 3,204,263.80 : x - Step 2: Convert to fraction form
7,464,820.60/11,197,230.90 = 3,204,263.80/x - Step 3: Cross multiply
7,464,820.60x = 11,197,230.90 × 3,204,263.80 - Step 4: Simplify right side
7,464,820.60x = 35,878,881,633,111.42 - Step 5: Solve for x
x = 35,878,881,633,111.42/7,464,820.60 - Step 6: Final answer
x = 4,806,395.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.