Finding the Fourth Proportional to 35,492,903.16, 48,980,239.11 and 19,195,379.16
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Solution
The fourth proportional to 35,492,903.16, 48,980,239.11 and 19,195,379.16 is: 26,489,640.95
Step by Step Solution
- Step 1: Write the proportion equation
35,492,903.16 : 48,980,239.11 = 19,195,379.16 : x - Step 2: Convert to fraction form
35,492,903.16/48,980,239.11 = 19,195,379.16/x - Step 3: Cross multiply
35,492,903.16x = 48,980,239.11 × 19,195,379.16 - Step 4: Simplify right side
35,492,903.16x = 940,194,261,063,911 - Step 5: Solve for x
x = 940,194,261,063,911/35,492,903.16 - Step 6: Final answer
x = 26,489,640.95
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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.