Finding the Fourth Proportional to 42,430,239.75, 63,611,033.82 and 13,269,075.62
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Solution
The fourth proportional to 42,430,239.75, 63,611,033.82 and 13,269,075.62 is: 19,892,878.83
Step by Step Solution
- Step 1: Write the proportion equation
42,430,239.75 : 63,611,033.82 = 13,269,075.62 : x - Step 2: Convert to fraction form
42,430,239.75/63,611,033.82 = 13,269,075.62/x - Step 3: Cross multiply
42,430,239.75x = 63,611,033.82 × 13,269,075.62 - Step 4: Simplify right side
42,430,239.75x = 844,059,618,023,957.38 - Step 5: Solve for x
x = 844,059,618,023,957.38/42,430,239.75 - Step 6: Final answer
x = 19,892,878.83
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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.