Finding the Fourth Proportional to 29,138,509.35, 40,211,468.28 and 16,085,774.88
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Solution
The fourth proportional to 29,138,509.35, 40,211,468.28 and 16,085,774.88 is: 22,198,548.96
Step by Step Solution
- Step 1: Write the proportion equation
29,138,509.35 : 40,211,468.28 = 16,085,774.88 : x - Step 2: Convert to fraction form
29,138,509.35/40,211,468.28 = 16,085,774.88/x - Step 3: Cross multiply
29,138,509.35x = 40,211,468.28 × 16,085,774.88 - Step 4: Simplify right side
29,138,509.35x = 646,832,626,346,340.88 - Step 5: Solve for x
x = 646,832,626,346,340.88/29,138,509.35 - Step 6: Final answer
x = 22,198,548.96
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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.