Finding the Fourth Proportional to 19,725,962.19, 27,222,668.52 and 11,024,134.55
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Solution
The fourth proportional to 19,725,962.19, 27,222,668.52 and 11,024,134.55 is: 15,213,775.51
Step by Step Solution
- Step 1: Write the proportion equation
19,725,962.19 : 27,222,668.52 = 11,024,134.55 : x - Step 2: Convert to fraction form
19,725,962.19/27,222,668.52 = 11,024,134.55/x - Step 3: Cross multiply
19,725,962.19x = 27,222,668.52 × 11,024,134.55 - Step 4: Simplify right side
19,725,962.19x = 300,106,360,438,416 - Step 5: Solve for x
x = 300,106,360,438,416/19,725,962.19 - Step 6: Final answer
x = 15,213,775.51
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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.