Finding the Fourth Proportional to 22,035,497.40, 33,053,246.10 and 21,893,779.80
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Solution
The fourth proportional to 22,035,497.40, 33,053,246.10 and 21,893,779.80 is: 32,840,669.70
Step by Step Solution
- Step 1: Write the proportion equation
22,035,497.40 : 33,053,246.10 = 21,893,779.80 : x - Step 2: Convert to fraction form
22,035,497.40/33,053,246.10 = 21,893,779.80/x - Step 3: Cross multiply
22,035,497.40x = 33,053,246.10 × 21,893,779.80 - Step 4: Simplify right side
22,035,497.40x = 723,660,491,788,608.88 - Step 5: Solve for x
x = 723,660,491,788,608.88/22,035,497.40 - Step 6: Final answer
x = 32,840,669.70
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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.