Finding the Fourth Proportional to 13,122,912.70, 18,329,562.50 and 13,122,912.70
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Solution
The fourth proportional to 13,122,912.70, 18,329,562.50 and 13,122,912.70 is: 18,329,562.50
Step by Step Solution
- Step 1: Write the proportion equation
13,122,912.70 : 18,329,562.50 = 13,122,912.70 : x - Step 2: Convert to fraction form
13,122,912.70/18,329,562.50 = 13,122,912.70/x - Step 3: Cross multiply
13,122,912.70x = 18,329,562.50 × 13,122,912.70 - Step 4: Simplify right side
13,122,912.70x = 240,537,248,516,693.75 - Step 5: Solve for x
x = 240,537,248,516,693.75/13,122,912.70 - Step 6: Final answer
x = 18,329,562.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.