Finding the Fourth Proportional to 16,113,313.36, 22,194,013.81 and 12,385,014.70
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Solution
The fourth proportional to 16,113,313.36, 22,194,013.81 and 12,385,014.70 is: 17,058,762.61
Step by Step Solution
- Step 1: Write the proportion equation
16,113,313.36 : 22,194,013.81 = 12,385,014.70 : x - Step 2: Convert to fraction form
16,113,313.36/22,194,013.81 = 12,385,014.70/x - Step 3: Cross multiply
16,113,313.36x = 22,194,013.81 × 12,385,014.70 - Step 4: Simplify right side
16,113,313.36x = 274,873,187,343,451.94 - Step 5: Solve for x
x = 274,873,187,343,451.94/16,113,313.36 - Step 6: Final answer
x = 17,058,762.61
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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.