Finding the Fourth Proportional to 9,717,340.32, 13,410,141.84 and 5,366,417.76
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Solution
The fourth proportional to 9,717,340.32, 13,410,141.84 and 5,366,417.76 is: 7,405,773.70
Step by Step Solution
- Step 1: Write the proportion equation
9,717,340.32 : 13,410,141.84 = 5,366,417.76 : x - Step 2: Convert to fraction form
9,717,340.32/13,410,141.84 = 5,366,417.76/x - Step 3: Cross multiply
9,717,340.32x = 13,410,141.84 × 5,366,417.76 - Step 4: Simplify right side
9,717,340.32x = 71,964,423,334,295.08 - Step 5: Solve for x
x = 71,964,423,334,295.08/9,717,340.32 - Step 6: Final answer
x = 7,405,773.70
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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.