Finding the Fourth Proportional to 16,190,753.65, 22,343,203.68 and 9,221,430.73
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Solution
The fourth proportional to 16,190,753.65, 22,343,203.68 and 9,221,430.73 is: 12,725,553.70
Step by Step Solution
- Step 1: Write the proportion equation
16,190,753.65 : 22,343,203.68 = 9,221,430.73 : x - Step 2: Convert to fraction form
16,190,753.65/22,343,203.68 = 9,221,430.73/x - Step 3: Cross multiply
16,190,753.65x = 22,343,203.68 × 9,221,430.73 - Step 4: Simplify right side
16,190,753.65x = 206,036,305,021,401.09 - Step 5: Solve for x
x = 206,036,305,021,401.09/16,190,753.65 - Step 6: Final answer
x = 12,725,553.70
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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.