Finding the Fourth Proportional to 25,657,200.70, 38,432,146.65 and 12,021,984.70
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Solution
The fourth proportional to 25,657,200.70, 38,432,146.65 and 12,021,984.70 is: 18,007,836.65
Step by Step Solution
- Step 1: Write the proportion equation
25,657,200.70 : 38,432,146.65 = 12,021,984.70 : x - Step 2: Convert to fraction form
25,657,200.70/38,432,146.65 = 12,021,984.70/x - Step 3: Cross multiply
25,657,200.70x = 38,432,146.65 × 12,021,984.70 - Step 4: Simplify right side
25,657,200.70x = 462,030,679,014,456.19 - Step 5: Solve for x
x = 462,030,679,014,456.19/25,657,200.70 - Step 6: Final answer
x = 18,007,836.65
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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.