Finding the Fourth Proportional to 19,440,070.40, 29,153,107.20 and 9,852,262.40
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Solution
The fourth proportional to 19,440,070.40, 29,153,107.20 and 9,852,262.40 is: 14,774,846.80
Step by Step Solution
- Step 1: Write the proportion equation
19,440,070.40 : 29,153,107.20 = 9,852,262.40 : x - Step 2: Convert to fraction form
19,440,070.40/29,153,107.20 = 9,852,262.40/x - Step 3: Cross multiply
19,440,070.40x = 29,153,107.20 × 9,852,262.40 - Step 4: Simplify right side
19,440,070.40x = 287,224,061,909,729.31 - Step 5: Solve for x
x = 287,224,061,909,729.31/19,440,070.40 - Step 6: Final answer
x = 14,774,846.80
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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.