Finding the Fourth Proportional to 14,021,940.70, 21,032,911.05 and 4,438,069.30
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Solution
The fourth proportional to 14,021,940.70, 21,032,911.05 and 4,438,069.30 is: 6,657,103.95
Step by Step Solution
- Step 1: Write the proportion equation
14,021,940.70 : 21,032,911.05 = 4,438,069.30 : x - Step 2: Convert to fraction form
14,021,940.70/21,032,911.05 = 4,438,069.30/x - Step 3: Cross multiply
14,021,940.70x = 21,032,911.05 × 4,438,069.30 - Step 4: Simplify right side
14,021,940.70x = 93,345,516,820,635.77 - Step 5: Solve for x
x = 93,345,516,820,635.77/14,021,940.70 - Step 6: Final answer
x = 6,657,103.95
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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.