Finding the Fourth Proportional to 38,212,605.60, 57,326,468.08 and 10,919,145.12
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Solution
The fourth proportional to 38,212,605.60, 57,326,468.08 and 10,919,145.12 is: 16,380,877.84
Step by Step Solution
- Step 1: Write the proportion equation
38,212,605.60 : 57,326,468.08 = 10,919,145.12 : x - Step 2: Convert to fraction form
38,212,605.60/57,326,468.08 = 10,919,145.12/x - Step 3: Cross multiply
38,212,605.60x = 57,326,468.08 × 10,919,145.12 - Step 4: Simplify right side
38,212,605.60x = 625,956,024,182,567.75 - Step 5: Solve for x
x = 625,956,024,182,567.75/38,212,605.60 - Step 6: Final answer
x = 16,380,877.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.