Finding the Fourth Proportional to 11,285,269.60, 15,577,212.72 and 7,210,904.80
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Solution
The fourth proportional to 11,285,269.60, 15,577,212.72 and 7,210,904.80 is: 9,953,310.99
Step by Step Solution
- Step 1: Write the proportion equation
11,285,269.60 : 15,577,212.72 = 7,210,904.80 : x - Step 2: Convert to fraction form
11,285,269.60/15,577,212.72 = 7,210,904.80/x - Step 3: Cross multiply
11,285,269.60x = 15,577,212.72 × 7,210,904.80 - Step 4: Simplify right side
11,285,269.60x = 112,325,797,973,269.06 - Step 5: Solve for x
x = 112,325,797,973,269.06/11,285,269.60 - Step 6: Final answer
x = 9,953,310.99
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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.