Finding the Fourth Proportional to 19,738,233.10, 29,657,116.05 and 12,553,209.10
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Solution
The fourth proportional to 19,738,233.10, 29,657,116.05 and 12,553,209.10 is: 18,861,464.31
Step by Step Solution
- Step 1: Write the proportion equation
19,738,233.10 : 29,657,116.05 = 12,553,209.10 : x - Step 2: Convert to fraction form
19,738,233.10/29,657,116.05 = 12,553,209.10/x - Step 3: Cross multiply
19,738,233.10x = 29,657,116.05 × 12,553,209.10 - Step 4: Simplify right side
19,738,233.10x = 372,291,979,078,616.06 - Step 5: Solve for x
x = 372,291,979,078,616.06/19,738,233.10 - Step 6: Final answer
x = 18,861,464.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.