Finding the Fourth Proportional to 22,232,963.03, 30,682,447.88 and 12,309,845.63
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Solution
The fourth proportional to 22,232,963.03, 30,682,447.88 and 12,309,845.63 is: 16,988,117.88
Step by Step Solution
- Step 1: Write the proportion equation
22,232,963.03 : 30,682,447.88 = 12,309,845.63 : x - Step 2: Convert to fraction form
22,232,963.03/30,682,447.88 = 12,309,845.63/x - Step 3: Cross multiply
22,232,963.03x = 30,682,447.88 × 12,309,845.63 - Step 4: Simplify right side
22,232,963.03x = 377,696,196,738,359.31 - Step 5: Solve for x
x = 377,696,196,738,359.31/22,232,963.03 - Step 6: Final answer
x = 16,988,117.88
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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.