Finding the Fourth Proportional to 38,383,933.80, 57,547,907.10 and 15,653,130.60
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Solution
The fourth proportional to 38,383,933.80, 57,547,907.10 and 15,653,130.60 is: 23,468,279.99
Step by Step Solution
- Step 1: Write the proportion equation
38,383,933.80 : 57,547,907.10 = 15,653,130.60 : x - Step 2: Convert to fraction form
38,383,933.80/57,547,907.10 = 15,653,130.60/x - Step 3: Cross multiply
38,383,933.80x = 57,547,907.10 × 15,653,130.60 - Step 4: Simplify right side
38,383,933.80x = 900,804,905,592,967.25 - Step 5: Solve for x
x = 900,804,905,592,967.25/38,383,933.80 - Step 6: Final answer
x = 23,468,279.99
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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.