Finding the Fourth Proportional to 8,958,934.63, 13,417,476.45 and 8,235,510.58
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Solution
The fourth proportional to 8,958,934.63, 13,417,476.45 and 8,235,510.58 is: 12,334,030.09
Step by Step Solution
- Step 1: Write the proportion equation
8,958,934.63 : 13,417,476.45 = 8,235,510.58 : x - Step 2: Convert to fraction form
8,958,934.63/13,417,476.45 = 8,235,510.58/x - Step 3: Cross multiply
8,958,934.63x = 13,417,476.45 × 8,235,510.58 - Step 4: Simplify right side
8,958,934.63x = 110,499,769,260,875.83 - Step 5: Solve for x
x = 110,499,769,260,875.83/8,958,934.63 - Step 6: Final answer
x = 12,334,030.09
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1.5x scale
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.