Finding the Fourth Proportional to 19,488,053.97, 29,218,794.93 and 9,884,915.10
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Solution
The fourth proportional to 19,488,053.97, 29,218,794.93 and 9,884,915.10 is: 14,820,633.59
Step by Step Solution
- Step 1: Write the proportion equation
19,488,053.97 : 29,218,794.93 = 9,884,915.10 : x - Step 2: Convert to fraction form
19,488,053.97/29,218,794.93 = 9,884,915.10/x - Step 3: Cross multiply
19,488,053.97x = 29,218,794.93 × 9,884,915.10 - Step 4: Simplify right side
19,488,053.97x = 288,825,307,207,360.44 - Step 5: Solve for x
x = 288,825,307,207,360.44/19,488,053.97 - Step 6: Final answer
x = 14,820,633.59
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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.