Finding the Fourth Proportional to 44,525,907.36, 66,787,915.16 and 12,177,810.54
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Solution
The fourth proportional to 44,525,907.36, 66,787,915.16 and 12,177,810.54 is: 18,266,457.11
Step by Step Solution
- Step 1: Write the proportion equation
44,525,907.36 : 66,787,915.16 = 12,177,810.54 : x - Step 2: Convert to fraction form
44,525,907.36/66,787,915.16 = 12,177,810.54/x - Step 3: Cross multiply
44,525,907.36x = 66,787,915.16 × 12,177,810.54 - Step 4: Simplify right side
44,525,907.36x = 813,330,577,210,518.25 - Step 5: Solve for x
x = 813,330,577,210,518.25/44,525,907.36 - Step 6: Final answer
x = 18,266,457.11
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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.