Finding the Fourth Proportional to 15,618,980.28, 23,443,583.26 and 7,537,644.84
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Solution
The fourth proportional to 15,618,980.28, 23,443,583.26 and 7,537,644.84 is: 11,313,760.64
Step by Step Solution
- Step 1: Write the proportion equation
15,618,980.28 : 23,443,583.26 = 7,537,644.84 : x - Step 2: Convert to fraction form
15,618,980.28/23,443,583.26 = 7,537,644.84/x - Step 3: Cross multiply
15,618,980.28x = 23,443,583.26 × 7,537,644.84 - Step 4: Simplify right side
15,618,980.28x = 176,709,404,390,849.38 - Step 5: Solve for x
x = 176,709,404,390,849.38/15,618,980.28 - Step 6: Final answer
x = 11,313,760.64
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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.