Finding the Fourth Proportional to 39,044,775.44, 53,885,014.62 and 21,646,578.08
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Solution
The fourth proportional to 39,044,775.44, 53,885,014.62 and 21,646,578.08 is: 29,874,065.43
Step by Step Solution
- Step 1: Write the proportion equation
39,044,775.44 : 53,885,014.62 = 21,646,578.08 : x - Step 2: Convert to fraction form
39,044,775.44/53,885,014.62 = 21,646,578.08/x - Step 3: Cross multiply
39,044,775.44x = 53,885,014.62 × 21,646,578.08 - Step 4: Simplify right side
39,044,775.44x = 1,166,426,176,313,771.50 - Step 5: Solve for x
x = 1,166,426,176,313,771.50/39,044,775.44 - Step 6: Final answer
x = 29,874,065.43
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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.