Finding the Fourth Proportional to 10,302,552.30, 15,453,828.45 and 3,119,132.10
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Solution
The fourth proportional to 10,302,552.30, 15,453,828.45 and 3,119,132.10 is: 4,678,698.15
Step by Step Solution
- Step 1: Write the proportion equation
10,302,552.30 : 15,453,828.45 = 3,119,132.10 : x - Step 2: Convert to fraction form
10,302,552.30/15,453,828.45 = 3,119,132.10/x - Step 3: Cross multiply
10,302,552.30x = 15,453,828.45 × 3,119,132.10 - Step 4: Simplify right side
10,302,552.30x = 48,202,532,386,288.24 - Step 5: Solve for x
x = 48,202,532,386,288.24/10,302,552.30 - Step 6: Final answer
x = 4,678,698.15
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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.