Finding the Fourth Proportional to 7,873,522.42, 11,810,283.77 and 1,889,890.42
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Solution
The fourth proportional to 7,873,522.42, 11,810,283.77 and 1,889,890.42 is: 2,834,835.66
Step by Step Solution
- Step 1: Write the proportion equation
7,873,522.42 : 11,810,283.77 = 1,889,890.42 : x - Step 2: Convert to fraction form
7,873,522.42/11,810,283.77 = 1,889,890.42/x - Step 3: Cross multiply
7,873,522.42x = 11,810,283.77 × 1,889,890.42 - Step 4: Simplify right side
7,873,522.42x = 22,320,142,129,603.50 - Step 5: Solve for x
x = 22,320,142,129,603.50/7,873,522.42 - Step 6: Final answer
x = 2,834,835.66
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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.