Finding the Fourth Proportional to 8,407,911.66, 12,611,867.64 and 2,018,164.02
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Solution
The fourth proportional to 8,407,911.66, 12,611,867.64 and 2,018,164.02 is: 3,027,246.07
Step by Step Solution
- Step 1: Write the proportion equation
8,407,911.66 : 12,611,867.64 = 2,018,164.02 : x - Step 2: Convert to fraction form
8,407,911.66/12,611,867.64 = 2,018,164.02/x - Step 3: Cross multiply
8,407,911.66x = 12,611,867.64 × 2,018,164.02 - Step 4: Simplify right side
8,407,911.66x = 25,452,817,496,050.31 - Step 5: Solve for x
x = 25,452,817,496,050.31/8,407,911.66 - Step 6: Final answer
x = 3,027,246.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.