Finding the Fourth Proportional to 32,709,158.55, 45,138,937.32 and 18,025,351.68
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Solution
The fourth proportional to 32,709,158.55, 45,138,937.32 and 18,025,351.68 is: 24,875,149.83
Step by Step Solution
- Step 1: Write the proportion equation
32,709,158.55 : 45,138,937.32 = 18,025,351.68 : x - Step 2: Convert to fraction form
32,709,158.55/45,138,937.32 = 18,025,351.68/x - Step 3: Cross multiply
32,709,158.55x = 45,138,937.32 × 18,025,351.68 - Step 4: Simplify right side
32,709,158.55x = 813,645,219,654,476.75 - Step 5: Solve for x
x = 813,645,219,654,476.75/32,709,158.55 - Step 6: Final answer
x = 24,875,149.83
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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.