Finding the Fourth Proportional to 7,970,824.18, 10,999,420.41 and 4,708,686.46
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Solution
The fourth proportional to 7,970,824.18, 10,999,420.41 and 4,708,686.46 is: 6,497,800.07
Step by Step Solution
- Step 1: Write the proportion equation
7,970,824.18 : 10,999,420.41 = 4,708,686.46 : x - Step 2: Convert to fraction form
7,970,824.18/10,999,420.41 = 4,708,686.46/x - Step 3: Cross multiply
7,970,824.18x = 10,999,420.41 × 4,708,686.46 - Step 4: Simplify right side
7,970,824.18x = 51,792,821,952,414.65 - Step 5: Solve for x
x = 51,792,821,952,414.65/7,970,824.18 - Step 6: Final answer
x = 6,497,800.07
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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.