Finding the Fourth Proportional to 29,368,928.26, 40,526,748.41 and 16,979,820.21
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Solution
The fourth proportional to 29,368,928.26, 40,526,748.41 and 16,979,820.21 is: 23,430,780.16
Step by Step Solution
- Step 1: Write the proportion equation
29,368,928.26 : 40,526,748.41 = 16,979,820.21 : x - Step 2: Convert to fraction form
29,368,928.26/40,526,748.41 = 16,979,820.21/x - Step 3: Cross multiply
29,368,928.26x = 40,526,748.41 × 16,979,820.21 - Step 4: Simplify right side
29,368,928.26x = 688,136,901,735,345.88 - Step 5: Solve for x
x = 688,136,901,735,345.88/29,368,928.26 - Step 6: Final answer
x = 23,430,780.16
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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.