Finding the Fourth Proportional to 7,238,017.45, 10,840,485.16 and 3,454,157.53
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Solution
The fourth proportional to 7,238,017.45, 10,840,485.16 and 3,454,157.53 is: 5,173,342.52
Step by Step Solution
- Step 1: Write the proportion equation
7,238,017.45 : 10,840,485.16 = 3,454,157.53 : x - Step 2: Convert to fraction form
7,238,017.45/10,840,485.16 = 3,454,157.53/x - Step 3: Cross multiply
7,238,017.45x = 10,840,485.16 × 3,454,157.53 - Step 4: Simplify right side
7,238,017.45x = 37,444,743,444,267.25 - Step 5: Solve for x
x = 37,444,743,444,267.25/7,238,017.45 - Step 6: Final answer
x = 5,173,342.52
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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.