Finding the Fourth Proportional to 7,755,510.19, 10,699,833.76 and 4,490,542.75
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Solution
The fourth proportional to 7,755,510.19, 10,699,833.76 and 4,490,542.75 is: 6,195,344.95
Step by Step Solution
- Step 1: Write the proportion equation
7,755,510.19 : 10,699,833.76 = 4,490,542.75 : x - Step 2: Convert to fraction form
7,755,510.19/10,699,833.76 = 4,490,542.75/x - Step 3: Cross multiply
7,755,510.19x = 10,699,833.76 × 4,490,542.75 - Step 4: Simplify right side
7,755,510.19x = 48,048,060,917,173.24 - Step 5: Solve for x
x = 48,048,060,917,173.24/7,755,510.19 - Step 6: Final answer
x = 6,195,344.95
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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.