Finding the Fourth Proportional to 19,996,291.12, 27,594,839.60 and 10,828,905.52
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Solution
The fourth proportional to 19,996,291.12, 27,594,839.60 and 10,828,905.52 is: 14,943,866.79
Step by Step Solution
- Step 1: Write the proportion equation
19,996,291.12 : 27,594,839.60 = 10,828,905.52 : x - Step 2: Convert to fraction form
19,996,291.12/27,594,839.60 = 10,828,905.52/x - Step 3: Cross multiply
19,996,291.12x = 27,594,839.60 × 10,828,905.52 - Step 4: Simplify right side
19,996,291.12x = 298,821,910,867,954.62 - Step 5: Solve for x
x = 298,821,910,867,954.62/19,996,291.12 - Step 6: Final answer
x = 14,943,866.79
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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.