Finding the Fourth Proportional to 10,505,330.12, 15,756,811.62 and 2,829,536.78
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Solution
The fourth proportional to 10,505,330.12, 15,756,811.62 and 2,829,536.78 is: 4,243,986.38
Step by Step Solution
- Step 1: Write the proportion equation
10,505,330.12 : 15,756,811.62 = 2,829,536.78 : x - Step 2: Convert to fraction form
10,505,330.12/15,756,811.62 = 2,829,536.78/x - Step 3: Cross multiply
10,505,330.12x = 15,756,811.62 × 2,829,536.78 - Step 4: Simplify right side
10,505,330.12x = 44,584,477,935,537.32 - Step 5: Solve for x
x = 44,584,477,935,537.32/10,505,330.12 - Step 6: Final answer
x = 4,243,986.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.