Finding the Fourth Proportional to 7,903,815.68, 10,907,263.50 and 4,282,143.68
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Solution
The fourth proportional to 7,903,815.68, 10,907,263.50 and 4,282,143.68 is: 5,909,357.12
Step by Step Solution
- Step 1: Write the proportion equation
7,903,815.68 : 10,907,263.50 = 4,282,143.68 : x - Step 2: Convert to fraction form
7,903,815.68/10,907,263.50 = 4,282,143.68/x - Step 3: Cross multiply
7,903,815.68x = 10,907,263.50 × 4,282,143.68 - Step 4: Simplify right side
7,903,815.68x = 46,706,469,462,619.68 - Step 5: Solve for x
x = 46,706,469,462,619.68/7,903,815.68 - Step 6: Final answer
x = 5,909,357.12
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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.