Finding the Fourth Proportional to 10,457,958.30, 15,686,937.45 and 6,365,862.60
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Solution
The fourth proportional to 10,457,958.30, 15,686,937.45 and 6,365,862.60 is: 9,548,793.90
Step by Step Solution
- Step 1: Write the proportion equation
10,457,958.30 : 15,686,937.45 = 6,365,862.60 : x - Step 2: Convert to fraction form
10,457,958.30/15,686,937.45 = 6,365,862.60/x - Step 3: Cross multiply
10,457,958.30x = 15,686,937.45 × 6,365,862.60 - Step 4: Simplify right side
10,457,958.30x = 99,860,888,421,494.36 - Step 5: Solve for x
x = 99,860,888,421,494.36/10,457,958.30 - Step 6: Final answer
x = 9,548,793.90
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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.