Finding the Fourth Proportional to 7,800,966.70, 10,765,651.32 and 4,316,248.80
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Solution
The fourth proportional to 7,800,966.70, 10,765,651.32 and 4,316,248.80 is: 5,956,598.89
Step by Step Solution
- Step 1: Write the proportion equation
7,800,966.70 : 10,765,651.32 = 4,316,248.80 : x - Step 2: Convert to fraction form
7,800,966.70/10,765,651.32 = 4,316,248.80/x - Step 3: Cross multiply
7,800,966.70x = 10,765,651.32 × 4,316,248.80 - Step 4: Simplify right side
7,800,966.70x = 46,467,229,591,168.41 - Step 5: Solve for x
x = 46,467,229,591,168.41/7,800,966.70 - Step 6: Final answer
x = 5,956,598.89
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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.