Finding the Fourth Proportional to 19,984,468.13, 29,977,772.46 and 6,338,649.74
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Solution
The fourth proportional to 19,984,468.13, 29,977,772.46 and 6,338,649.74 is: 9,508,314.07
Step by Step Solution
- Step 1: Write the proportion equation
19,984,468.13 : 29,977,772.46 = 6,338,649.74 : x - Step 2: Convert to fraction form
19,984,468.13/29,977,772.46 = 6,338,649.74/x - Step 3: Cross multiply
19,984,468.13x = 29,977,772.46 × 6,338,649.74 - Step 4: Simplify right side
19,984,468.13x = 190,018,599,435,699.38 - Step 5: Solve for x
x = 190,018,599,435,699.38/19,984,468.13 - Step 6: Final answer
x = 9,508,314.07
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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.