Finding the Fourth Proportional to 15,324,904.65, 21,148,533.37 and 8,355,525.26
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Solution
The fourth proportional to 15,324,904.65, 21,148,533.37 and 8,355,525.26 is: 11,530,714.80
Step by Step Solution
- Step 1: Write the proportion equation
15,324,904.65 : 21,148,533.37 = 8,355,525.26 : x - Step 2: Convert to fraction form
15,324,904.65/21,148,533.37 = 8,355,525.26/x - Step 3: Cross multiply
15,324,904.65x = 21,148,533.37 × 8,355,525.26 - Step 4: Simplify right side
15,324,904.65x = 176,707,104,784,987.94 - Step 5: Solve for x
x = 176,707,104,784,987.94/15,324,904.65 - Step 6: Final answer
x = 11,530,714.80
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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.