Finding the Fourth Proportional to 8,352,047.20, 12,528,070.80 and 7,092,335.20
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Solution
The fourth proportional to 8,352,047.20, 12,528,070.80 and 7,092,335.20 is: 10,638,502.80
Step by Step Solution
- Step 1: Write the proportion equation
8,352,047.20 : 12,528,070.80 = 7,092,335.20 : x - Step 2: Convert to fraction form
8,352,047.20/12,528,070.80 = 7,092,335.20/x - Step 3: Cross multiply
8,352,047.20x = 12,528,070.80 × 7,092,335.20 - Step 4: Simplify right side
8,352,047.20x = 88,853,277,522,932.17 - Step 5: Solve for x
x = 88,853,277,522,932.17/8,352,047.20 - Step 6: Final answer
x = 10,638,502.80
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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.