Finding the Fourth Proportional to 16,313,447.52, 22,513,135.61 and 8,971,848.46
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Solution
The fourth proportional to 16,313,447.52, 22,513,135.61 and 8,971,848.46 is: 12,381,468.78
Step by Step Solution
- Step 1: Write the proportion equation
16,313,447.52 : 22,513,135.61 = 8,971,848.46 : x - Step 2: Convert to fraction form
16,313,447.52/22,513,135.61 = 8,971,848.46/x - Step 3: Cross multiply
16,313,447.52x = 22,513,135.61 × 8,971,848.46 - Step 4: Simplify right side
16,313,447.52x = 201,984,441,102,920.69 - Step 5: Solve for x
x = 201,984,441,102,920.69/16,313,447.52 - Step 6: Final answer
x = 12,381,468.78
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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.