Finding the Fourth Proportional to 8,459,589.12, 11,674,430.28 and 5,021,843.28
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Solution
The fourth proportional to 8,459,589.12, 11,674,430.28 and 5,021,843.28 is: 6,930,260.85
Step by Step Solution
- Step 1: Write the proportion equation
8,459,589.12 : 11,674,430.28 = 5,021,843.28 : x - Step 2: Convert to fraction form
8,459,589.12/11,674,430.28 = 5,021,843.28/x - Step 3: Cross multiply
8,459,589.12x = 11,674,430.28 × 5,021,843.28 - Step 4: Simplify right side
8,459,589.12x = 58,627,159,249,446.52 - Step 5: Solve for x
x = 58,627,159,249,446.52/8,459,589.12 - Step 6: Final answer
x = 6,930,260.85
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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.