Finding the Fourth Proportional to 7,885,829.80, 11,828,744.70 and 3,634,301.80
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Solution
The fourth proportional to 7,885,829.80, 11,828,744.70 and 3,634,301.80 is: 5,451,452.70
Step by Step Solution
- Step 1: Write the proportion equation
7,885,829.80 : 11,828,744.70 = 3,634,301.80 : x - Step 2: Convert to fraction form
7,885,829.80/11,828,744.70 = 3,634,301.80/x - Step 3: Cross multiply
7,885,829.80x = 11,828,744.70 × 3,634,301.80 - Step 4: Simplify right side
7,885,829.80x = 42,989,228,154,950.45 - Step 5: Solve for x
x = 42,989,228,154,950.45/7,885,829.80 - Step 6: Final answer
x = 5,451,452.70
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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.