Finding the Fourth Proportional to 7,250,646.96, 10,852,314.12 and 5,331,049.20
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Solution
The fourth proportional to 7,250,646.96, 10,852,314.12 and 5,331,049.20 is: 7,979,180.45
Step by Step Solution
- Step 1: Write the proportion equation
7,250,646.96 : 10,852,314.12 = 5,331,049.20 : x - Step 2: Convert to fraction form
7,250,646.96/10,852,314.12 = 5,331,049.20/x - Step 3: Cross multiply
7,250,646.96x = 10,852,314.12 × 5,331,049.20 - Step 4: Simplify right side
7,250,646.96x = 57,854,220,507,574.70 - Step 5: Solve for x
x = 57,854,220,507,574.70/7,250,646.96 - Step 6: Final answer
x = 7,979,180.45
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1.5x scale
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.