Finding the Fourth Proportional to 8,307,534.93, 12,461,202.14 and 2,158,971.95
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Solution
The fourth proportional to 8,307,534.93, 12,461,202.14 and 2,158,971.95 is: 3,238,431.86
Step by Step Solution
- Step 1: Write the proportion equation
8,307,534.93 : 12,461,202.14 = 2,158,971.95 : x - Step 2: Convert to fraction form
8,307,534.93/12,461,202.14 = 2,158,971.95/x - Step 3: Cross multiply
8,307,534.93x = 12,461,202.14 × 2,158,971.95 - Step 4: Simplify right side
8,307,534.93x = 26,903,385,810,439.10 - Step 5: Solve for x
x = 26,903,385,810,439.10/8,307,534.93 - Step 6: Final answer
x = 3,238,431.86
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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.