Finding the Fourth Proportional to 38,437,709.97, 53,044,034.79 and 21,034,050.60
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Solution
The fourth proportional to 38,437,709.97, 53,044,034.79 and 21,034,050.60 is: 29,026,987.11
Step by Step Solution
- Step 1: Write the proportion equation
38,437,709.97 : 53,044,034.79 = 21,034,050.60 : x - Step 2: Convert to fraction form
38,437,709.97/53,044,034.79 = 21,034,050.60/x - Step 3: Cross multiply
38,437,709.97x = 53,044,034.79 × 21,034,050.60 - Step 4: Simplify right side
38,437,709.97x = 1,115,730,911,801,020.38 - Step 5: Solve for x
x = 1,115,730,911,801,020.38/38,437,709.97 - Step 6: Final answer
x = 29,026,987.11
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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.