Finding the Fourth Proportional to 12,339,351.36, 18,509,888.64 and 3,818,566.08
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Solution
The fourth proportional to 12,339,351.36, 18,509,888.64 and 3,818,566.08 is: 5,728,115.75
Step by Step Solution
- Step 1: Write the proportion equation
12,339,351.36 : 18,509,888.64 = 3,818,566.08 : x - Step 2: Convert to fraction form
12,339,351.36/18,509,888.64 = 3,818,566.08/x - Step 3: Cross multiply
12,339,351.36x = 18,509,888.64 × 3,818,566.08 - Step 4: Simplify right side
12,339,351.36x = 70,681,232,905,281.33 - Step 5: Solve for x
x = 70,681,232,905,281.33/12,339,351.36 - Step 6: Final answer
x = 5,728,115.75
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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.