Finding the Fourth Proportional to 19,801,823.80, 27,329,318.57 and 10,983,224.74
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Solution
The fourth proportional to 19,801,823.80, 27,329,318.57 and 10,983,224.74 is: 15,158,404.14
Step by Step Solution
- Step 1: Write the proportion equation
19,801,823.80 : 27,329,318.57 = 10,983,224.74 : x - Step 2: Convert to fraction form
19,801,823.80/27,329,318.57 = 10,983,224.74/x - Step 3: Cross multiply
19,801,823.80x = 27,329,318.57 × 10,983,224.74 - Step 4: Simplify right side
19,801,823.80x = 300,164,047,845,365.44 - Step 5: Solve for x
x = 300,164,047,845,365.44/19,801,823.80 - Step 6: Final answer
x = 15,158,404.14
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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.