Finding the Fourth Proportional to 14,317,763.36, 19,758,516.24 and 7,879,235.36
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Solution
The fourth proportional to 14,317,763.36, 19,758,516.24 and 7,879,235.36 is: 10,873,346.34
Step by Step Solution
- Step 1: Write the proportion equation
14,317,763.36 : 19,758,516.24 = 7,879,235.36 : x - Step 2: Convert to fraction form
14,317,763.36/19,758,516.24 = 7,879,235.36/x - Step 3: Cross multiply
14,317,763.36x = 19,758,516.24 × 7,879,235.36 - Step 4: Simplify right side
14,317,763.36x = 155,681,999,819,342.25 - Step 5: Solve for x
x = 155,681,999,819,342.25/14,317,763.36 - Step 6: Final answer
x = 10,873,346.34
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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.