Finding the Fourth Proportional to 23,420,220.96, 32,319,209.28 and 12,966,702.24
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Solution
The fourth proportional to 23,420,220.96, 32,319,209.28 and 12,966,702.24 is: 17,893,663.94
Step by Step Solution
- Step 1: Write the proportion equation
23,420,220.96 : 32,319,209.28 = 12,966,702.24 : x - Step 2: Convert to fraction form
23,420,220.96/32,319,209.28 = 12,966,702.24/x - Step 3: Cross multiply
23,420,220.96x = 32,319,209.28 × 12,966,702.24 - Step 4: Simplify right side
23,420,220.96x = 419,073,563,366,004.81 - Step 5: Solve for x
x = 419,073,563,366,004.81/23,420,220.96 - Step 6: Final answer
x = 17,893,663.94
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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.