Finding the Fourth Proportional to 13,271,166.07, 18,313,041.06 and 7,390,355.87
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Solution
The fourth proportional to 13,271,166.07, 18,313,041.06 and 7,390,355.87 is: 10,198,040.61
Step by Step Solution
- Step 1: Write the proportion equation
13,271,166.07 : 18,313,041.06 = 7,390,355.87 : x - Step 2: Convert to fraction form
13,271,166.07/18,313,041.06 = 7,390,355.87/x - Step 3: Cross multiply
13,271,166.07x = 18,313,041.06 × 7,390,355.87 - Step 4: Simplify right side
13,271,166.07x = 135,339,890,541,104.61 - Step 5: Solve for x
x = 135,339,890,541,104.61/13,271,166.07 - Step 6: Final answer
x = 10,198,040.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.