Finding the Fourth Proportional to 19,423,212.45, 26,804,029.14 and 10,721,382.75
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Solution
The fourth proportional to 19,423,212.45, 26,804,029.14 and 10,721,382.75 is: 14,795,505.96
Step by Step Solution
- Step 1: Write the proportion equation
19,423,212.45 : 26,804,029.14 = 10,721,382.75 : x - Step 2: Convert to fraction form
19,423,212.45/26,804,029.14 = 10,721,382.75/x - Step 3: Cross multiply
19,423,212.45x = 26,804,029.14 × 10,721,382.75 - Step 4: Simplify right side
19,423,212.45x = 287,376,255,652,093.31 - Step 5: Solve for x
x = 287,376,255,652,093.31/19,423,212.45 - Step 6: Final answer
x = 14,795,505.96
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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.