Finding the Fourth Proportional to 13,862,850.24, 19,129,449.48 and 7,667,763.64
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Solution
The fourth proportional to 13,862,850.24, 19,129,449.48 and 7,667,763.64 is: 10,580,803.70
Step by Step Solution
- Step 1: Write the proportion equation
13,862,850.24 : 19,129,449.48 = 7,667,763.64 : x - Step 2: Convert to fraction form
13,862,850.24/19,129,449.48 = 7,667,763.64/x - Step 3: Cross multiply
13,862,850.24x = 19,129,449.48 × 7,667,763.64 - Step 4: Simplify right side
13,862,850.24x = 146,680,097,175,960.91 - Step 5: Solve for x
x = 146,680,097,175,960.91/13,862,850.24 - Step 6: Final answer
x = 10,580,803.70
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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.