Finding the Fourth Proportional to 46,984,390.84, 70,476,450.18 and 12,905,770.60
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Solution
The fourth proportional to 46,984,390.84, 70,476,450.18 and 12,905,770.60 is: 19,358,618.52
Step by Step Solution
- Step 1: Write the proportion equation
46,984,390.84 : 70,476,450.18 = 12,905,770.60 : x - Step 2: Convert to fraction form
46,984,390.84/70,476,450.18 = 12,905,770.60/x - Step 3: Cross multiply
46,984,390.84x = 70,476,450.18 × 12,905,770.60 - Step 4: Simplify right side
46,984,390.84x = 909,552,898,725,408.75 - Step 5: Solve for x
x = 909,552,898,725,408.75/46,984,390.84 - Step 6: Final answer
x = 19,358,618.52
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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.