Finding the Fourth Proportional to 19,801,823.05, 27,329,317.53 and 10,983,223.99
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Solution
The fourth proportional to 19,801,823.05, 27,329,317.53 and 10,983,223.99 is: 15,158,403.10
Step by Step Solution
- Step 1: Write the proportion equation
19,801,823.05 : 27,329,317.53 = 10,983,223.99 : x - Step 2: Convert to fraction form
19,801,823.05/27,329,317.53 = 10,983,223.99/x - Step 3: Cross multiply
19,801,823.05x = 27,329,317.53 × 10,983,223.99 - Step 4: Simplify right side
19,801,823.05x = 300,164,015,789,176.94 - Step 5: Solve for x
x = 300,164,015,789,176.94/19,801,823.05 - Step 6: Final answer
x = 15,158,403.10
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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.