Finding the Fourth Proportional to 34,432,652.87, 47,516,486.79 and 18,964,176.83
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Solution
The fourth proportional to 34,432,652.87, 47,516,486.79 and 18,964,176.83 is: 26,170,247.79
Step by Step Solution
- Step 1: Write the proportion equation
34,432,652.87 : 47,516,486.79 = 18,964,176.83 : x - Step 2: Convert to fraction form
34,432,652.87/47,516,486.79 = 18,964,176.83/x - Step 3: Cross multiply
34,432,652.87x = 47,516,486.79 × 18,964,176.83 - Step 4: Simplify right side
34,432,652.87x = 901,111,057,588,336.62 - Step 5: Solve for x
x = 901,111,057,588,336.62/34,432,652.87 - Step 6: Final answer
x = 26,170,247.79
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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.