Finding the Fourth Proportional to 42,124,745.70, 63,187,118.55 and 16,566,588.90
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Solution
The fourth proportional to 42,124,745.70, 63,187,118.55 and 16,566,588.90 is: 24,849,883.35
Step by Step Solution
- Step 1: Write the proportion equation
42,124,745.70 : 63,187,118.55 = 16,566,588.90 : x - Step 2: Convert to fraction form
42,124,745.70/63,187,118.55 = 16,566,588.90/x - Step 3: Cross multiply
42,124,745.70x = 63,187,118.55 × 16,566,588.90 - Step 4: Simplify right side
42,124,745.70x = 1,046,795,016,793,414.12 - Step 5: Solve for x
x = 1,046,795,016,793,414.12/42,124,745.70 - Step 6: Final answer
x = 24,849,883.35
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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.