Finding the Fourth Proportional to 13,120,992.99, 19,680,160.64 and 3,537,340.29
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Solution
The fourth proportional to 13,120,992.99, 19,680,160.64 and 3,537,340.29 is: 5,305,652.19
Step by Step Solution
- Step 1: Write the proportion equation
13,120,992.99 : 19,680,160.64 = 3,537,340.29 : x - Step 2: Convert to fraction form
13,120,992.99/19,680,160.64 = 3,537,340.29/x - Step 3: Cross multiply
13,120,992.99x = 19,680,160.64 × 3,537,340.29 - Step 4: Simplify right side
13,120,992.99x = 69,615,425,201,658.09 - Step 5: Solve for x
x = 69,615,425,201,658.09/13,120,992.99 - Step 6: Final answer
x = 5,305,652.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.