Finding the Fourth Proportional to 28,995,814.44, 40,014,372.86 and 15,943,915.08
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Solution
The fourth proportional to 28,995,814.44, 40,014,372.86 and 15,943,915.08 is: 22,002,684.70
Step by Step Solution
- Step 1: Write the proportion equation
28,995,814.44 : 40,014,372.86 = 15,943,915.08 : x - Step 2: Convert to fraction form
28,995,814.44/40,014,372.86 = 15,943,915.08/x - Step 3: Cross multiply
28,995,814.44x = 40,014,372.86 × 15,943,915.08 - Step 4: Simplify right side
28,995,814.44x = 637,985,762,859,296.75 - Step 5: Solve for x
x = 637,985,762,859,296.75/28,995,814.44 - Step 6: Final answer
x = 22,002,684.70
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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.