Finding the Fourth Proportional to 29,122,199.10, 40,188,586.86 and 16,069,447.62
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Solution
The fourth proportional to 29,122,199.10, 40,188,586.86 and 16,069,447.62 is: 22,175,811.29
Step by Step Solution
- Step 1: Write the proportion equation
29,122,199.10 : 40,188,586.86 = 16,069,447.62 : x - Step 2: Convert to fraction form
29,122,199.10/40,188,586.86 = 16,069,447.62/x - Step 3: Cross multiply
29,122,199.10x = 40,188,586.86 × 16,069,447.62 - Step 4: Simplify right side
29,122,199.10x = 645,808,391,468,590.25 - Step 5: Solve for x
x = 645,808,391,468,590.25/29,122,199.10 - Step 6: Final answer
x = 22,175,811.29
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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.