Finding the Fourth Proportional to 38,624,165.20, 57,943,246.20 and 19,406,558.80
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Solution
The fourth proportional to 38,624,165.20, 57,943,246.20 and 19,406,558.80 is: 29,113,354.52
Step by Step Solution
- Step 1: Write the proportion equation
38,624,165.20 : 57,943,246.20 = 19,406,558.80 : x - Step 2: Convert to fraction form
38,624,165.20/57,943,246.20 = 19,406,558.80/x - Step 3: Cross multiply
38,624,165.20x = 57,943,246.20 × 19,406,558.80 - Step 4: Simplify right side
38,624,165.20x = 1,124,479,014,443,176.62 - Step 5: Solve for x
x = 1,124,479,014,443,176.62/38,624,165.20 - Step 6: Final answer
x = 29,113,354.52
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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.