Finding the Fourth Proportional to 8,753,989.84, 13,132,756.30 and 3,074,657.02
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Solution
The fourth proportional to 8,753,989.84, 13,132,756.30 and 3,074,657.02 is: 4,612,607.75
Step by Step Solution
- Step 1: Write the proportion equation
8,753,989.84 : 13,132,756.30 = 3,074,657.02 : x - Step 2: Convert to fraction form
8,753,989.84/13,132,756.30 = 3,074,657.02/x - Step 3: Cross multiply
8,753,989.84x = 13,132,756.30 × 3,074,657.02 - Step 4: Simplify right side
8,753,989.84x = 40,378,721,349,744.23 - Step 5: Solve for x
x = 40,378,721,349,744.23/8,753,989.84 - Step 6: Final answer
x = 4,612,607.75
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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.