Finding the Fourth Proportional to 14,205,430.32, 19,590,420.36 and 9,308,874
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Solution
The fourth proportional to 14,205,430.32, 19,590,420.36 and 9,308,874 is: 12,837,679.02
Step by Step Solution
- Step 1: Write the proportion equation
14,205,430.32 : 19,590,420.36 = 9,308,874 : x - Step 2: Convert to fraction form
14,205,430.32/19,590,420.36 = 9,308,874/x - Step 3: Cross multiply
14,205,430.32x = 19,590,420.36 × 9,308,874 - Step 4: Simplify right side
14,205,430.32x = 182,364,754,738,274.62 - Step 5: Solve for x
x = 182,364,754,738,274.62/14,205,430.32 - Step 6: Final answer
x = 12,837,679.02
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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.