Finding the Fourth Proportional to 16,226,373.95, 22,392,399.40 and 8,884,208.53
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Solution
The fourth proportional to 16,226,373.95, 22,392,399.40 and 8,884,208.53 is: 12,260,209.60
Step by Step Solution
- Step 1: Write the proportion equation
16,226,373.95 : 22,392,399.40 = 8,884,208.53 : x - Step 2: Convert to fraction form
16,226,373.95/22,392,399.40 = 8,884,208.53/x - Step 3: Cross multiply
16,226,373.95x = 22,392,399.40 × 8,884,208.53 - Step 4: Simplify right side
16,226,373.95x = 198,938,745,678,455.38 - Step 5: Solve for x
x = 198,938,745,678,455.38/16,226,373.95 - Step 6: Final answer
x = 12,260,209.60
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1.5x scale
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.