Finding the Fourth Proportional to 13,307,340.97, 19,961,737.89 and 4,208,759.41
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Solution
The fourth proportional to 13,307,340.97, 19,961,737.89 and 4,208,759.41 is: 6,313,368.87
Step by Step Solution
- Step 1: Write the proportion equation
13,307,340.97 : 19,961,737.89 = 4,208,759.41 : x - Step 2: Convert to fraction form
13,307,340.97/19,961,737.89 = 4,208,759.41/x - Step 3: Cross multiply
13,307,340.97x = 19,961,737.89 × 4,208,759.41 - Step 4: Simplify right side
13,307,340.97x = 84,014,152,184,491.05 - Step 5: Solve for x
x = 84,014,152,184,491.05/13,307,340.97 - Step 6: Final answer
x = 6,313,368.87
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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.