Finding the Fourth Proportional to 16,251,533.97, 22,426,973.60 and 8,909,233.62
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Solution
The fourth proportional to 16,251,533.97, 22,426,973.60 and 8,909,233.62 is: 12,294,663.85
Step by Step Solution
- Step 1: Write the proportion equation
16,251,533.97 : 22,426,973.60 = 8,909,233.62 : x - Step 2: Convert to fraction form
16,251,533.97/22,426,973.60 = 8,909,233.62/x - Step 3: Cross multiply
16,251,533.97x = 22,426,973.60 × 8,909,233.62 - Step 4: Simplify right side
16,251,533.97x = 199,807,147,147,426.25 - Step 5: Solve for x
x = 199,807,147,147,426.25/16,251,533.97 - Step 6: Final answer
x = 12,294,663.85
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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.