Finding the Fourth Proportional to 9,922,511.40, 14,883,767.10 and 3,191,605.80
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Solution
The fourth proportional to 9,922,511.40, 14,883,767.10 and 3,191,605.80 is: 4,787,408.70
Step by Step Solution
- Step 1: Write the proportion equation
9,922,511.40 : 14,883,767.10 = 3,191,605.80 : x - Step 2: Convert to fraction form
9,922,511.40/14,883,767.10 = 3,191,605.80/x - Step 3: Cross multiply
9,922,511.40x = 14,883,767.10 × 3,191,605.80 - Step 4: Simplify right side
9,922,511.40x = 47,503,117,402,209.18 - Step 5: Solve for x
x = 47,503,117,402,209.18/9,922,511.40 - Step 6: Final answer
x = 4,787,408.70
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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.