Finding the Fourth Proportional to 9,559,579.20, 13,192,052.58 and 5,208,701.46
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Solution
The fourth proportional to 9,559,579.20, 13,192,052.58 and 5,208,701.46 is: 7,187,917.18
Step by Step Solution
- Step 1: Write the proportion equation
9,559,579.20 : 13,192,052.58 = 5,208,701.46 : x - Step 2: Convert to fraction form
9,559,579.20/13,192,052.58 = 5,208,701.46/x - Step 3: Cross multiply
9,559,579.20x = 13,192,052.58 × 5,208,701.46 - Step 4: Simplify right side
9,559,579.20x = 68,713,463,533,842.77 - Step 5: Solve for x
x = 68,713,463,533,842.77/9,559,579.20 - Step 6: Final answer
x = 7,187,917.18
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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.