Finding the Fourth Proportional to 16,970,689.68, 25,459,201.08 and 5,619,129.36
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Solution
The fourth proportional to 16,970,689.68, 25,459,201.08 and 5,619,129.36 is: 8,429,742.51
Step by Step Solution
- Step 1: Write the proportion equation
16,970,689.68 : 25,459,201.08 = 5,619,129.36 : x - Step 2: Convert to fraction form
16,970,689.68/25,459,201.08 = 5,619,129.36/x - Step 3: Cross multiply
16,970,689.68x = 25,459,201.08 × 5,619,129.36 - Step 4: Simplify right side
16,970,689.68x = 143,058,544,270,771.72 - Step 5: Solve for x
x = 143,058,544,270,771.72/16,970,689.68 - Step 6: Final answer
x = 8,429,742.51
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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.