Finding the Fourth Proportional to 9,390,618.65, 12,971,209.97 and 7,765,590.17
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Solution
The fourth proportional to 9,390,618.65, 12,971,209.97 and 7,765,590.17 is: 10,726,567.06
Step by Step Solution
- Step 1: Write the proportion equation
9,390,618.65 : 12,971,209.97 = 7,765,590.17 : x - Step 2: Convert to fraction form
9,390,618.65/12,971,209.97 = 7,765,590.17/x - Step 3: Cross multiply
9,390,618.65x = 12,971,209.97 × 7,765,590.17 - Step 4: Simplify right side
9,390,618.65x = 100,729,100,687,880 - Step 5: Solve for x
x = 100,729,100,687,880/9,390,618.65 - Step 6: Final answer
x = 10,726,567.06
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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.