Finding the Fourth Proportional to 7,915,315.77, 10,923,176.16 and 4,477,482.99
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Solution
The fourth proportional to 7,915,315.77, 10,923,176.16 and 4,477,482.99 is: 6,178,949.38
Step by Step Solution
- Step 1: Write the proportion equation
7,915,315.77 : 10,923,176.16 = 4,477,482.99 : x - Step 2: Convert to fraction form
7,915,315.77/10,923,176.16 = 4,477,482.99/x - Step 3: Cross multiply
7,915,315.77x = 10,923,176.16 × 4,477,482.99 - Step 4: Simplify right side
7,915,315.77x = 48,908,335,453,173.52 - Step 5: Solve for x
x = 48,908,335,453,173.52/7,915,315.77 - Step 6: Final answer
x = 6,178,949.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.