Finding the Fourth Proportional to 16,239,449.08, 22,410,439.14 and 8,897,560.75
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Solution
The fourth proportional to 16,239,449.08, 22,410,439.14 and 8,897,560.75 is: 12,278,633.51
Step by Step Solution
- Step 1: Write the proportion equation
16,239,449.08 : 22,410,439.14 = 8,897,560.75 : x - Step 2: Convert to fraction form
16,239,449.08/22,410,439.14 = 8,897,560.75/x - Step 3: Cross multiply
16,239,449.08x = 22,410,439.14 × 8,897,560.75 - Step 4: Simplify right side
16,239,449.08x = 199,398,243,682,327.75 - Step 5: Solve for x
x = 199,398,243,682,327.75/16,239,449.08 - Step 6: Final answer
x = 12,278,633.51
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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.