Finding the Fourth Proportional to 16,391,526.28, 22,619,946.67 and 8,948,933.82
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Solution
The fourth proportional to 16,391,526.28, 22,619,946.67 and 8,948,933.82 is: 12,349,332.35
Step by Step Solution
- Step 1: Write the proportion equation
16,391,526.28 : 22,619,946.67 = 8,948,933.82 : x - Step 2: Convert to fraction form
16,391,526.28/22,619,946.67 = 8,948,933.82/x - Step 3: Cross multiply
16,391,526.28x = 22,619,946.67 × 8,948,933.82 - Step 4: Simplify right side
16,391,526.28x = 202,424,405,761,759.41 - Step 5: Solve for x
x = 202,424,405,761,759.41/16,391,526.28 - Step 6: Final answer
x = 12,349,332.35
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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.