Finding the Fourth Proportional to 42,549,826.41, 63,815,408.42 and 12,251,108.97
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Solution
The fourth proportional to 42,549,826.41, 63,815,408.42 and 12,251,108.97 is: 18,373,976.78
Step by Step Solution
- Step 1: Write the proportion equation
42,549,826.41 : 63,815,408.42 = 12,251,108.97 : x - Step 2: Convert to fraction form
42,549,826.41/63,815,408.42 = 12,251,108.97/x - Step 3: Cross multiply
42,549,826.41x = 63,815,408.42 × 12,251,108.97 - Step 4: Simplify right side
42,549,826.41x = 781,809,522,457,220 - Step 5: Solve for x
x = 781,809,522,457,220/42,549,826.41 - Step 6: Final answer
x = 18,373,976.78
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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.