Finding the Fourth Proportional to 8,962,805.09, 13,418,048.99 and 6,667,479.34
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Solution
The fourth proportional to 8,962,805.09, 13,418,048.99 and 6,667,479.34 is: 9,981,759.45
Step by Step Solution
- Step 1: Write the proportion equation
8,962,805.09 : 13,418,048.99 = 6,667,479.34 : x - Step 2: Convert to fraction form
8,962,805.09/13,418,048.99 = 6,667,479.34/x - Step 3: Cross multiply
8,962,805.09x = 13,418,048.99 × 6,667,479.34 - Step 4: Simplify right side
8,962,805.09x = 89,464,564,407,056.45 - Step 5: Solve for x
x = 89,464,564,407,056.45/8,962,805.09 - Step 6: Final answer
x = 9,981,759.45
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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.