Finding the Fourth Proportional to 18,479,835.24, 25,502,341.91 and 10,219,470.63
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Solution
The fourth proportional to 18,479,835.24, 25,502,341.91 and 10,219,470.63 is: 14,102,963.08
Step by Step Solution
- Step 1: Write the proportion equation
18,479,835.24 : 25,502,341.91 = 10,219,470.63 : x - Step 2: Convert to fraction form
18,479,835.24/25,502,341.91 = 10,219,470.63/x - Step 3: Cross multiply
18,479,835.24x = 25,502,341.91 × 10,219,470.63 - Step 4: Simplify right side
18,479,835.24x = 260,620,434,094,365.78 - Step 5: Solve for x
x = 260,620,434,094,365.78/18,479,835.24 - Step 6: Final answer
x = 14,102,963.08
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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.