Finding the Fourth Proportional to 7,918,929, 10,928,122.02 and 4,297,257
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Solution
The fourth proportional to 7,918,929, 10,928,122.02 and 4,297,257 is: 5,930,214.66
Step by Step Solution
- Step 1: Write the proportion equation
7,918,929 : 10,928,122.02 = 4,297,257 : x - Step 2: Convert to fraction form
7,918,929/10,928,122.02 = 4,297,257/x - Step 3: Cross multiply
7,918,929x = 10,928,122.02 × 4,297,257 - Step 4: Simplify right side
7,918,929x = 46,960,948,847,299.14 - Step 5: Solve for x
x = 46,960,948,847,299.14/7,918,929 - Step 6: Final answer
x = 5,930,214.66
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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.