Finding the Fourth Proportional to 9,236,657.79, 12,746,555.84 and 5,162,276.79
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Solution
The fourth proportional to 9,236,657.79, 12,746,555.84 and 5,162,276.79 is: 7,123,924.13
Step by Step Solution
- Step 1: Write the proportion equation
9,236,657.79 : 12,746,555.84 = 5,162,276.79 : x - Step 2: Convert to fraction form
9,236,657.79/12,746,555.84 = 5,162,276.79/x - Step 3: Cross multiply
9,236,657.79x = 12,746,555.84 × 5,162,276.79 - Step 4: Simplify right side
9,236,657.79x = 65,801,249,339,459.58 - Step 5: Solve for x
x = 65,801,249,339,459.58/9,236,657.79 - Step 6: Final answer
x = 7,123,924.13
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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.