Finding the Fourth Proportional to 34,183,845.12, 47,173,707.87 and 18,713,929.74
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Solution
The fourth proportional to 34,183,845.12, 47,173,707.87 and 18,713,929.74 is: 25,825,223.92
Step by Step Solution
- Step 1: Write the proportion equation
34,183,845.12 : 47,173,707.87 = 18,713,929.74 : x - Step 2: Convert to fraction form
34,183,845.12/47,173,707.87 = 18,713,929.74/x - Step 3: Cross multiply
34,183,845.12x = 47,173,707.87 × 18,713,929.74 - Step 4: Simplify right side
34,183,845.12x = 882,805,454,654,464.88 - Step 5: Solve for x
x = 882,805,454,654,464.88/34,183,845.12 - Step 6: Final answer
x = 25,825,223.92
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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.