Finding the Fourth Proportional to 9,864,512.80, 14,774,650.80 and 8,537,408.80
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Solution
The fourth proportional to 9,864,512.80, 14,774,650.80 and 8,537,408.80 is: 12,786,970.46
Step by Step Solution
- Step 1: Write the proportion equation
9,864,512.80 : 14,774,650.80 = 8,537,408.80 : x - Step 2: Convert to fraction form
9,864,512.80/14,774,650.80 = 8,537,408.80/x - Step 3: Cross multiply
9,864,512.80x = 14,774,650.80 × 8,537,408.80 - Step 4: Simplify right side
9,864,512.80x = 126,137,233,756,847.06 - Step 5: Solve for x
x = 126,137,233,756,847.06/9,864,512.80 - Step 6: Final answer
x = 12,786,970.46
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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.