Finding the Fourth Proportional to 7,487,611.41, 11,232,658.76 and 2,628,656.81
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Solution
The fourth proportional to 7,487,611.41, 11,232,658.76 and 2,628,656.81 is: 3,943,421.11
Step by Step Solution
- Step 1: Write the proportion equation
7,487,611.41 : 11,232,658.76 = 2,628,656.81 : x - Step 2: Convert to fraction form
7,487,611.41/11,232,658.76 = 2,628,656.81/x - Step 3: Cross multiply
7,487,611.41x = 11,232,658.76 × 2,628,656.81 - Step 4: Simplify right side
7,487,611.41x = 29,526,804,874,573.58 - Step 5: Solve for x
x = 29,526,804,874,573.58/7,487,611.41 - Step 6: Final answer
x = 3,943,421.11
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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.