Finding the Fourth Proportional to 8,879,507.19, 12,253,719.93 and 4,805,126.19
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Solution
The fourth proportional to 8,879,507.19, 12,253,719.93 and 4,805,126.19 is: 6,631,074.14
Step by Step Solution
- Step 1: Write the proportion equation
8,879,507.19 : 12,253,719.93 = 4,805,126.19 : x - Step 2: Convert to fraction form
8,879,507.19/12,253,719.93 = 4,805,126.19/x - Step 3: Cross multiply
8,879,507.19x = 12,253,719.93 × 4,805,126.19 - Step 4: Simplify right side
8,879,507.19x = 58,880,670,536,542.34 - Step 5: Solve for x
x = 58,880,670,536,542.34/8,879,507.19 - Step 6: Final answer
x = 6,631,074.14
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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.