Finding the Fourth Proportional to 11,838,817.80, 16,337,611.62 and 6,406,309.80
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Solution
The fourth proportional to 11,838,817.80, 16,337,611.62 and 6,406,309.80 is: 8,840,730.82
Step by Step Solution
- Step 1: Write the proportion equation
11,838,817.80 : 16,337,611.62 = 6,406,309.80 : x - Step 2: Convert to fraction form
11,838,817.80/16,337,611.62 = 6,406,309.80/x - Step 3: Cross multiply
11,838,817.80x = 16,337,611.62 × 6,406,309.80 - Step 4: Simplify right side
11,838,817.80x = 104,663,801,429,799.88 - Step 5: Solve for x
x = 104,663,801,429,799.88/11,838,817.80 - Step 6: Final answer
x = 8,840,730.82
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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.