Finding the Fourth Proportional to 19,979,620.48, 27,571,944 and 10,812,260.48
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Solution
The fourth proportional to 19,979,620.48, 27,571,944 and 10,812,260.48 is: 14,920,956.12
Step by Step Solution
- Step 1: Write the proportion equation
19,979,620.48 : 27,571,944 = 10,812,260.48 : x - Step 2: Convert to fraction form
19,979,620.48/27,571,944 = 10,812,260.48/x - Step 3: Cross multiply
19,979,620.48x = 27,571,944 × 10,812,260.48 - Step 4: Simplify right side
19,979,620.48x = 298,115,040,467,973.12 - Step 5: Solve for x
x = 298,115,040,467,973.12/19,979,620.48 - Step 6: Final answer
x = 14,920,956.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.