Finding the Fourth Proportional to 38,387,166.09, 57,580,749.33 and 12,828,175.53
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Solution
The fourth proportional to 38,387,166.09, 57,580,749.33 and 12,828,175.53 is: 19,242,263.36
Step by Step Solution
- Step 1: Write the proportion equation
38,387,166.09 : 57,580,749.33 = 12,828,175.53 : x - Step 2: Convert to fraction form
38,387,166.09/57,580,749.33 = 12,828,175.53/x - Step 3: Cross multiply
38,387,166.09x = 57,580,749.33 × 12,828,175.53 - Step 4: Simplify right side
38,387,166.09x = 738,655,959,554,169.88 - Step 5: Solve for x
x = 738,655,959,554,169.88/38,387,166.09 - Step 6: Final answer
x = 19,242,263.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.