Finding the Fourth Proportional to 22,116,771.36, 30,506,896.61 and 14,674,272.31
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Solution
The fourth proportional to 22,116,771.36, 30,506,896.61 and 14,674,272.31 is: 20,241,042.46
Step by Step Solution
- Step 1: Write the proportion equation
22,116,771.36 : 30,506,896.61 = 14,674,272.31 : x - Step 2: Convert to fraction form
22,116,771.36/30,506,896.61 = 14,674,272.31/x - Step 3: Cross multiply
22,116,771.36x = 30,506,896.61 × 14,674,272.31 - Step 4: Simplify right side
22,116,771.36x = 447,666,508,262,975.19 - Step 5: Solve for x
x = 447,666,508,262,975.19/22,116,771.36 - Step 6: Final answer
x = 20,241,042.46
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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.