Finding the Fourth Proportional to 42,202,644.16, 63,290,085.60 and 14,903,985.28
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Solution
The fourth proportional to 42,202,644.16, 63,290,085.60 and 14,903,985.28 is: 22,351,075.93
Step by Step Solution
- Step 1: Write the proportion equation
42,202,644.16 : 63,290,085.60 = 14,903,985.28 : x - Step 2: Convert to fraction form
42,202,644.16/63,290,085.60 = 14,903,985.28/x - Step 3: Cross multiply
42,202,644.16x = 63,290,085.60 × 14,903,985.28 - Step 4: Simplify right side
42,202,644.16x = 943,274,504,152,340 - Step 5: Solve for x
x = 943,274,504,152,340/42,202,644.16 - Step 6: Final answer
x = 22,351,075.93
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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.