Finding the Fourth Proportional to 19,422,817.14, 26,803,338.06 and 10,720,984.98
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Solution
The fourth proportional to 19,422,817.14, 26,803,338.06 and 10,720,984.98 is: 14,794,876.70
Step by Step Solution
- Step 1: Write the proportion equation
19,422,817.14 : 26,803,338.06 = 10,720,984.98 : x - Step 2: Convert to fraction form
19,422,817.14/26,803,338.06 = 10,720,984.98/x - Step 3: Cross multiply
19,422,817.14x = 26,803,338.06 × 10,720,984.98 - Step 4: Simplify right side
19,422,817.14x = 287,358,184,755,122.31 - Step 5: Solve for x
x = 287,358,184,755,122.31/19,422,817.14 - Step 6: Final answer
x = 14,794,876.70
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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.