Finding the Fourth Proportional to 14,235,660, 19,645,108.04 and 7,709,138.04
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Solution
The fourth proportional to 14,235,660, 19,645,108.04 and 7,709,138.04 is: 10,638,554.85
Step by Step Solution
- Step 1: Write the proportion equation
14,235,660 : 19,645,108.04 = 7,709,138.04 : x - Step 2: Convert to fraction form
14,235,660/19,645,108.04 = 7,709,138.04/x - Step 3: Cross multiply
14,235,660x = 19,645,108.04 × 7,709,138.04 - Step 4: Simplify right side
14,235,660x = 151,446,849,691,073.84 - Step 5: Solve for x
x = 151,446,849,691,073.84/14,235,660 - Step 6: Final answer
x = 10,638,554.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.