Finding the Fourth Proportional to 19,460,156.80, 29,190,235.20 and 8,096,828.80
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Solution
The fourth proportional to 19,460,156.80, 29,190,235.20 and 8,096,828.80 is: 12,145,243.20
Step by Step Solution
- Step 1: Write the proportion equation
19,460,156.80 : 29,190,235.20 = 8,096,828.80 : x - Step 2: Convert to fraction form
19,460,156.80/29,190,235.20 = 8,096,828.80/x - Step 3: Cross multiply
19,460,156.80x = 29,190,235.20 × 8,096,828.80 - Step 4: Simplify right side
19,460,156.80x = 236,348,337,046,133.75 - Step 5: Solve for x
x = 236,348,337,046,133.75/19,460,156.80 - Step 6: Final answer
x = 12,145,243.20
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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.