Finding the Fourth Proportional to 19,984,469.63, 29,977,774.71 and 6,338,651.24
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Solution
The fourth proportional to 19,984,469.63, 29,977,774.71 and 6,338,651.24 is: 9,508,316.32
Step by Step Solution
- Step 1: Write the proportion equation
19,984,469.63 : 29,977,774.71 = 6,338,651.24 : x - Step 2: Convert to fraction form
19,984,469.63/29,977,774.71 = 6,338,651.24/x - Step 3: Cross multiply
19,984,469.63x = 29,977,774.71 × 6,338,651.24 - Step 4: Simplify right side
19,984,469.63x = 190,018,658,688,093.28 - Step 5: Solve for x
x = 190,018,658,688,093.28/19,984,469.63 - Step 6: Final answer
x = 9,508,316.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.