Finding the Fourth Proportional to 13,376,700.95, 18,459,229.53 and 7,575,524.21
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Solution
The fourth proportional to 13,376,700.95, 18,459,229.53 and 7,575,524.21 is: 10,453,873.54
Step by Step Solution
- Step 1: Write the proportion equation
13,376,700.95 : 18,459,229.53 = 7,575,524.21 : x - Step 2: Convert to fraction form
13,376,700.95/18,459,229.53 = 7,575,524.21/x - Step 3: Cross multiply
13,376,700.95x = 18,459,229.53 × 7,575,524.21 - Step 4: Simplify right side
13,376,700.95x = 139,838,340,110,165.78 - Step 5: Solve for x
x = 139,838,340,110,165.78/13,376,700.95 - Step 6: Final answer
x = 10,453,873.54
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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.