Finding the Fourth Proportional to 14,448,919.80, 19,938,743.28 and 8,252,749.74
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Solution
The fourth proportional to 14,448,919.80, 19,938,743.28 and 8,252,749.74 is: 11,388,357.10
Step by Step Solution
- Step 1: Write the proportion equation
14,448,919.80 : 19,938,743.28 = 8,252,749.74 : x - Step 2: Convert to fraction form
14,448,919.80/19,938,743.28 = 8,252,749.74/x - Step 3: Cross multiply
14,448,919.80x = 19,938,743.28 × 8,252,749.74 - Step 4: Simplify right side
14,448,919.80x = 164,549,458,419,946.75 - Step 5: Solve for x
x = 164,549,458,419,946.75/14,448,919.80 - Step 6: Final answer
x = 11,388,357.10
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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.