Finding the Fourth Proportional to 22,243,106.21, 30,696,751.43 and 12,453,464.75
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Solution
The fourth proportional to 22,243,106.21, 30,696,751.43 and 12,453,464.75 is: 17,186,489.52
Step by Step Solution
- Step 1: Write the proportion equation
22,243,106.21 : 30,696,751.43 = 12,453,464.75 : x - Step 2: Convert to fraction form
22,243,106.21/30,696,751.43 = 12,453,464.75/x - Step 3: Cross multiply
22,243,106.21x = 30,696,751.43 × 12,453,464.75 - Step 4: Simplify right side
22,243,106.21x = 382,280,911,657,266 - Step 5: Solve for x
x = 382,280,911,657,266/22,243,106.21 - Step 6: Final answer
x = 17,186,489.52
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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.