Finding the Fourth Proportional to 7,390,775.98, 10,125,193.65 and 7,114,454.86
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Solution
The fourth proportional to 7,390,775.98, 10,125,193.65 and 7,114,454.86 is: 9,746,640.05
Step by Step Solution
- Step 1: Write the proportion equation
7,390,775.98 : 10,125,193.65 = 7,114,454.86 : x - Step 2: Convert to fraction form
7,390,775.98/10,125,193.65 = 7,114,454.86/x - Step 3: Cross multiply
7,390,775.98x = 10,125,193.65 × 7,114,454.86 - Step 4: Simplify right side
7,390,775.98x = 72,035,233,171,683.64 - Step 5: Solve for x
x = 72,035,233,171,683.64/7,390,775.98 - Step 6: Final answer
x = 9,746,640.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.