Finding the Fourth Proportional to 20,255,962.62, 27,953,226.36 and 10,963,531.20
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Solution
The fourth proportional to 20,255,962.62, 27,953,226.36 and 10,963,531.20 is: 15,129,671.94
Step by Step Solution
- Step 1: Write the proportion equation
20,255,962.62 : 27,953,226.36 = 10,963,531.20 : x - Step 2: Convert to fraction form
20,255,962.62/27,953,226.36 = 10,963,531.20/x - Step 3: Cross multiply
20,255,962.62x = 27,953,226.36 × 10,963,531.20 - Step 4: Simplify right side
20,255,962.62x = 306,466,069,338,522.38 - Step 5: Solve for x
x = 306,466,069,338,522.38/20,255,962.62 - Step 6: Final answer
x = 15,129,671.94
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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.