Finding the Fourth Proportional to 10,361,656.45, 15,542,484.68 and 9,731,282.05
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Solution
The fourth proportional to 10,361,656.45, 15,542,484.68 and 9,731,282.05 is: 14,596,923.08
Step by Step Solution
- Step 1: Write the proportion equation
10,361,656.45 : 15,542,484.68 = 9,731,282.05 : x - Step 2: Convert to fraction form
10,361,656.45/15,542,484.68 = 9,731,282.05/x - Step 3: Cross multiply
10,361,656.45x = 15,542,484.68 × 9,731,282.05 - Step 4: Simplify right side
10,361,656.45x = 151,248,302,178,884 - Step 5: Solve for x
x = 151,248,302,178,884/10,361,656.45 - Step 6: Final answer
x = 14,596,923.08
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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.