Finding the Fourth Proportional to 12,746,651.70, 19,125,628.91 and 6,679,941.05
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Solution
The fourth proportional to 12,746,651.70, 19,125,628.91 and 6,679,941.05 is: 10,022,873.19
Step by Step Solution
- Step 1: Write the proportion equation
12,746,651.70 : 19,125,628.91 = 6,679,941.05 : x - Step 2: Convert to fraction form
12,746,651.70/19,125,628.91 = 6,679,941.05/x - Step 3: Cross multiply
12,746,651.70x = 19,125,628.91 × 6,679,941.05 - Step 4: Simplify right side
12,746,651.70x = 127,758,073,533,947.91 - Step 5: Solve for x
x = 127,758,073,533,947.91/12,746,651.70 - Step 6: Final answer
x = 10,022,873.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.