Finding the Fourth Proportional to 19,541,698.80, 29,312,548.20 and 14,691,807.60
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Solution
The fourth proportional to 19,541,698.80, 29,312,548.20 and 14,691,807.60 is: 22,037,711.40
Step by Step Solution
- Step 1: Write the proportion equation
19,541,698.80 : 29,312,548.20 = 14,691,807.60 : x - Step 2: Convert to fraction form
19,541,698.80/29,312,548.20 = 14,691,807.60/x - Step 3: Cross multiply
19,541,698.80x = 29,312,548.20 × 14,691,807.60 - Step 4: Simplify right side
19,541,698.80x = 430,654,318,420,126.31 - Step 5: Solve for x
x = 430,654,318,420,126.31/19,541,698.80 - Step 6: Final answer
x = 22,037,711.40
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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.