Finding the Fourth Proportional to 21,497,921.80, 32,246,882.70 and 21,497,921.80
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Solution
The fourth proportional to 21,497,921.80, 32,246,882.70 and 21,497,921.80 is: 32,246,882.70
Step by Step Solution
- Step 1: Write the proportion equation
21,497,921.80 : 32,246,882.70 = 21,497,921.80 : x - Step 2: Convert to fraction form
21,497,921.80/32,246,882.70 = 21,497,921.80/x - Step 3: Cross multiply
21,497,921.80x = 32,246,882.70 × 21,497,921.80 - Step 4: Simplify right side
21,497,921.80x = 693,240,962,578,372.88 - Step 5: Solve for x
x = 693,240,962,578,372.88/21,497,921.80 - Step 6: Final answer
x = 32,246,882.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.