Finding the Fourth Proportional to 8,070,271.99, 11,136,884.67 and 4,399,108.18
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Solution
The fourth proportional to 8,070,271.99, 11,136,884.67 and 4,399,108.18 is: 6,070,719.86
Step by Step Solution
- Step 1: Write the proportion equation
8,070,271.99 : 11,136,884.67 = 4,399,108.18 : x - Step 2: Convert to fraction form
8,070,271.99/11,136,884.67 = 4,399,108.18/x - Step 3: Cross multiply
8,070,271.99x = 11,136,884.67 × 4,399,108.18 - Step 4: Simplify right side
8,070,271.99x = 48,992,360,423,671.39 - Step 5: Solve for x
x = 48,992,360,423,671.39/8,070,271.99 - Step 6: Final answer
x = 6,070,719.86
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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.