Finding the Fourth Proportional to 38,961,884.07, 53,767,463.01 and 21,558,962.79
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Solution
The fourth proportional to 38,961,884.07, 53,767,463.01 and 21,558,962.79 is: 29,751,403.50
Step by Step Solution
- Step 1: Write the proportion equation
38,961,884.07 : 53,767,463.01 = 21,558,962.79 : x - Step 2: Convert to fraction form
38,961,884.07/53,767,463.01 = 21,558,962.79/x - Step 3: Cross multiply
38,961,884.07x = 53,767,463.01 × 21,558,962.79 - Step 4: Simplify right side
38,961,884.07x = 1,159,170,734,237,496.50 - Step 5: Solve for x
x = 1,159,170,734,237,496.50/38,961,884.07 - Step 6: Final answer
x = 29,751,403.50
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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.